diff --git a/packages/turf-buffer/bench.js b/packages/turf-buffer/bench.js
index 4423e2593f..023dd96f1c 100644
--- a/packages/turf-buffer/bench.js
+++ b/packages/turf-buffer/bench.js
@@ -16,14 +16,15 @@ const fixtures = fs.readdirSync(directory).map(filename => {
 /**
  * Benchmark Results
  *
- * feature-collection-points x 3,792 ops/sec ±10.41% (82 runs sampled)
- * geometry-collection-points x 4,346 ops/sec ±2.05% (90 runs sampled)
- * linestring x 9,087 ops/sec ±2.14% (89 runs sampled)
- * multi-linestring x 1,145 ops/sec ±9.46% (80 runs sampled)
- * multi-point x 4,898 ops/sec ±4.73% (78 runs sampled)
- * multi-polygon x 1,737 ops/sec ±9.31% (66 runs sampled)
- * point x 11,907 ops/sec ±8.10% (72 runs sampled)
- * polygon-with-holes x 6,417 ops/sec ±6.16% (79 runs sampled)
+ * feature-collection-points x 9,335 ops/sec ±1.37% (88 runs sampled)
+ * geometry-collection-points x 9,505 ops/sec ±1.57% (86 runs sampled)
+ * linestring x 7,977 ops/sec ±17.93% (75 runs sampled)
+ * multi-linestring x 1,371 ops/sec ±2.00% (88 runs sampled)
+ * multi-point x 515 ops/sec ±3.35% (85 runs sampled)
+ * multi-polygon x 2,549 ops/sec ±3.03% (88 runs sampled)
+ * north-latitude-points x 812 ops/sec ±2.31% (88 runs sampled)
+ * point x 42,867 ops/sec ±1.38% (89 runs sampled)
+ * polygon-with-holes x 7,397 ops/sec ±1.93% (88 runs sampled)
  */
 const suite = new Benchmark.Suite('turf-buffer');
 for (const {name, geojson} of fixtures) {
diff --git a/packages/turf-buffer/index.d.ts b/packages/turf-buffer/index.d.ts
index d1bc6c5995..b7e5f3471f 100644
--- a/packages/turf-buffer/index.d.ts
+++ b/packages/turf-buffer/index.d.ts
@@ -11,15 +11,15 @@ interface Buffer {
     /**
      * http://turfjs.org/docs/#buffer
      */
-    (feature: Point | LineString | Polygon, radius?: number, unit?: Units): Polygon;
-    (feature: Points | LineStrings | Polygons, radius?: number, unit?: Units): Polygons;
-    (feature: MultiPoint | MultiLineString | MultiPolygon, radius?: number, unit?: Units): MultiPolygon;
-    (feature: MultiPoints | MultiLineStrings | MultiPolygons, radius?: number, unit?: Units): MultiPolygons;
-    (feature: Feature, radius?: number, unit?: Units): Polygon | MultiPolygon;
-    (feature: Features, radius?: number, unit?: Units): Polygons | MultiPolygons;
-    (feature: GeoJSON.GeometryObject, radius?: number, unit?: Units): Polygon | MultiPolygon;
-    (feature: GeoJSON.GeometryCollection, radius?: number, unit?: Units): Polygons | MultiPolygons;
+    (feature: Point | LineString | Polygon, radius?: number, unit?: Units, steps?: number): Polygon;
+    (feature: Points | LineStrings | Polygons | MultiPoint | MultiPoints, radius?: number, unit?: Units, steps?: number): Polygons;
+    (feature: MultiLineString | MultiPolygon, radius?: number, unit?: Units, steps?: number): MultiPolygon;
+    (feature: MultiLineStrings | MultiPolygons, radius?: number, unit?: Units, steps?: number): MultiPolygons;
+    (feature: Feature, radius?: number, unit?: Units, steps?: number): Polygon | Polygons | MultiPolygon;
+    (feature: Features, radius?: number, unit?: Units, steps?: number): Polygons | MultiPolygons;
+    (feature: GeoJSON.GeometryObject, radius?: number, unit?: Units, steps?: number): Polygon | Polygons | MultiPolygon;
+    (feature: GeoJSON.GeometryCollection, radius?: number, unit?: Units, steps?: number): Polygons | MultiPolygons;
 }
 declare const buffer: Buffer;
-declare namespace buffer { }
+declare namespace buffer {}
 export = buffer;
diff --git a/packages/turf-buffer/index.js b/packages/turf-buffer/index.js
index c55701aab2..b3a99924cc 100644
--- a/packages/turf-buffer/index.js
+++ b/packages/turf-buffer/index.js
@@ -1,22 +1,25 @@
-// http://stackoverflow.com/questions/839899/how-do-i-calculate-a-point-on-a-circles-circumference
-// radians = degrees * (pi/180)
-// https://github.com/bjornharrtell/jsts/blob/master/examples/buffer.html
-
+var jsts = require('jsts');
 var helpers = require('@turf/helpers');
+var circle = require('@turf/circle');
+var dissolve = require('@turf/dissolve');
+var meta = require('@turf/meta');
+var coordEach = meta.coordEach;
+var featureEach = meta.featureEach;
 var featureCollection = helpers.featureCollection;
-var jsts = require('jsts');
-var normalize = require('@mapbox/geojson-normalize');
+var distanceToDegrees = helpers.distanceToDegrees;
+var point = helpers.point;
 
 /**
  * Calculates a buffer for input features for a given radius. Units supported are miles, kilometers, and degrees.
  *
  * @name buffer
- * @param {(Feature|FeatureCollection)} feature input to be buffered
+ * @param {FeatureCollection|Feature<any>} feature input to be buffered
  * @param {number} radius distance to draw the buffer
- * @param {string} units any of the options supported by turf units
- * @return {FeatureCollection<Polygon>|FeatureCollection<MultiPolygon>|Polygon|MultiPolygon} buffered features
+ * @param {string} [units=kilometers] any of the options supported by turf units
+ * @param {number} [steps=64] number of steps
+ * @return {FeatureCollection|Feature<Polygon|MultiPolygon>} buffered features
  * @example
- * var pt = {
+ * var point = {
  *   "type": "Feature",
  *   "properties": {},
  *   "geometry": {
@@ -26,33 +29,74 @@ var normalize = require('@mapbox/geojson-normalize');
  * };
  * var unit = 'miles';
  *
- * var buffered = turf.buffer(pt, 500, unit);
+ * var buffered = turf.buffer(point, 500, unit);
+ *
  * //addToMap
- * var addToMap = [pt, buffered]
+ * var addToMap = [point, buffered]
  */
 
-module.exports = function (feature, radius, units) {
+module.exports = function (geojson, radius, units, steps) {
+    // validation
+    if (radius === undefined || radius === null) throw new Error('radius is required');
+
+    // default params
+    steps = steps || 64;
 
-    var degrees = helpers.distanceToDegrees(radius, units);
-    var fc = normalize(feature);
-    var buffered = normalize(featureCollection(fc.features.map(function (f) {
-        return bufferOp(f, degrees);
-    })));
+    switch (geojson.type) {
+    case 'GeometryCollection':
+    case 'FeatureCollection':
+        var results = [];
+        var features = (geojson.features) ? geojson.features : geojson.geometries || [];
 
-    if (buffered.features.length > 1) return buffered;
-    else if (buffered.features.length === 1) return buffered.features[0];
+        features.forEach(function (feature) {
+            featureEach(buffer(feature, radius, units, steps), function (buffered) {
+                results.push(buffered);
+            });
+        });
+        return featureCollection(results);
+    }
+    return buffer(geojson, radius, units, steps);
 };
 
-function bufferOp(feature, radius) {
-    var reader = new jsts.io.GeoJSONReader();
-    var geom = reader.read(feature.geometry);
-    var buffered = geom.buffer(radius);
-    var writer = new jsts.io.GeoJSONWriter();
-    buffered = writer.write(buffered);
+/**
+ * Buffer single Feature
+ *
+ * @private
+ * @param {Feature<any>} feature input to be buffered
+ * @param {number} radius distance to draw the buffer
+ * @param {string} [units='kilometers'] any of the options supported by turf units
+ * @param {number} [steps=64] number of steps
+ * @returns {Feature<Polygon|MultiPolygon>} buffered feature
+ */
+function buffer(feature, radius, units, steps) {
+    var properties = feature.properties || {};
+    var distance = distanceToDegrees(radius, units);
+    var geometry = (feature.type === 'Feature') ? feature.geometry : feature;
 
-    return {
-        type: 'Feature',
-        geometry: buffered,
-        properties: {}
-    };
+    switch (geometry.type) {
+    case 'Point':
+        var poly = circle(feature, radius, steps, units);
+        poly.properties = properties;
+        return poly;
+    case 'MultiPoint':
+        var polys = [];
+        coordEach(feature, function (coord) {
+            var poly = circle(point(coord, properties), radius, steps, units);
+            poly.properties = properties;
+            polys.push(poly);
+        });
+        return dissolve(featureCollection(polys));
+    case 'LineString':
+    case 'MultiLineString':
+    case 'Polygon':
+    case 'MultiPolygon':
+        var reader = new jsts.io.GeoJSONReader();
+        var geom = reader.read(geometry);
+        var buffered = geom.buffer(distance);
+        var writer = new jsts.io.GeoJSONWriter();
+        buffered = writer.write(buffered);
+        return helpers.feature(buffered, properties);
+    default:
+        throw new Error('geometry type ' + geometry.type + ' not supported');
+    }
 }
diff --git a/packages/turf-buffer/package.json b/packages/turf-buffer/package.json
index 38fb10e772..1c89e6abc4 100644
--- a/packages/turf-buffer/package.json
+++ b/packages/turf-buffer/package.json
@@ -26,6 +26,10 @@
     "turf"
   ],
   "author": "Turf Authors",
+  "contributors": [
+    "Tom MacWright <@tmcw>",
+    "Denis Carriere <@DenisCarriere>"
+  ],
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/Turfjs/turf/issues"
@@ -39,9 +43,10 @@
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@mapbox/geojson-normalize": "0.0.1",
-    "@turf/combine": "^4.1.0",
+    "@turf/circle": "^4.1.0",
+    "@turf/dissolve": "^4.1.0",
     "@turf/helpers": "^4.1.0",
+    "@turf/meta": "^4.1.0",
     "jsts": "1.3.0"
   }
 }
diff --git a/packages/turf-buffer/test.js b/packages/turf-buffer/test.js
index cd5df920a3..2fd65dc567 100644
--- a/packages/turf-buffer/test.js
+++ b/packages/turf-buffer/test.js
@@ -4,6 +4,8 @@ const path = require('path');
 const load = require('load-json-file');
 const write = require('write-json-file');
 const truncate = require('@turf/truncate');
+const featureEach = require('@turf/meta').featureEach;
+const featureCollection = require('@turf/helpers').featureCollection;
 const buffer = require('./');
 
 const directories = {
@@ -25,7 +27,12 @@ test('turf-buffer', function (t) {
         radius = radius || 50;
         units = units || 'miles';
 
-        const results = truncate(buffer(geojson, radius, units, padding));
+        const buffered = truncate(buffer(geojson, radius, units, padding));
+
+        // Add Results to FeatureCollection
+        const results = featureCollection([]);
+        featureEach(buffered, feature => results.features.push(feature));
+        featureEach(geojson, feature => results.features.push(feature));
 
         if (process.env.REGEN) write.sync(directories.out + filename, results);
         t.deepEqual(results, load.sync(directories.out + filename), name);
diff --git a/packages/turf-buffer/test/in/feature-collection-points.geojson b/packages/turf-buffer/test/in/feature-collection-points.geojson
index 951ef931a7..57a1037dc6 100644
--- a/packages/turf-buffer/test/in/feature-collection-points.geojson
+++ b/packages/turf-buffer/test/in/feature-collection-points.geojson
@@ -3,9 +3,7 @@
   "features": [
     {
       "type": "Feature",
-      "properties": {
-        "foo": "bar"
-      },
+      "properties": {},
       "geometry": {
         "type": "MultiPoint",
         "coordinates": [
diff --git a/packages/turf-buffer/test/in/linestring.geojson b/packages/turf-buffer/test/in/linestring.geojson
index ba4355a40c..3024d1ccf4 100644
--- a/packages/turf-buffer/test/in/linestring.geojson
+++ b/packages/turf-buffer/test/in/linestring.geojson
@@ -1,6 +1,8 @@
 {
   "type": "Feature",
-  "properties": {},
+  "properties": {
+    "foo": "bar"
+  },
   "geometry": {
     "type": "LineString",
     "coordinates": [
diff --git a/packages/turf-buffer/test/in/multi-point.geojson b/packages/turf-buffer/test/in/multi-point.geojson
index 3d9fa79e98..c6efd91b7a 100644
--- a/packages/turf-buffer/test/in/multi-point.geojson
+++ b/packages/turf-buffer/test/in/multi-point.geojson
@@ -1,11 +1,13 @@
 {
   "type": "Feature",
-  "properties": {},
+  "properties": {
+    "radius": 300
+  },
   "geometry": {
     "type": "MultiPoint",
     "coordinates": [
       [
-        135,
+        145,
         -25
       ],
       [
diff --git a/packages/turf-buffer/test/in/point.geojson b/packages/turf-buffer/test/in/point.geojson
index 937c7263e9..4337023b0b 100644
--- a/packages/turf-buffer/test/in/point.geojson
+++ b/packages/turf-buffer/test/in/point.geojson
@@ -1,6 +1,8 @@
 {
   "type": "Feature",
-  "properties": {},
+  "properties": {
+    "foo": "bar"
+  },
   "geometry": {
     "type": "Point",
     "coordinates": [
diff --git a/packages/turf-buffer/test/out/feature-collection-points.geojson b/packages/turf-buffer/test/out/feature-collection-points.geojson
index 5915cf0312..2aab3decf1 100644
--- a/packages/turf-buffer/test/out/feature-collection-points.geojson
+++ b/packages/turf-buffer/test/out/feature-collection-points.geojson
@@ -3,563 +3,1119 @@
 	"features": [
 		{
 			"type": "Feature",
+			"properties": {},
 			"geometry": {
-				"type": "MultiPolygon",
+				"type": "Polygon",
 				"coordinates": [
 					[
 						[
-							[
-								135.723432,
-								-25
-							],
-							[
-								135.709531,
-								-25.141135
-							],
-							[
-								135.668364,
-								-25.276845
-							],
-							[
-								135.601512,
-								-25.401917
-							],
-							[
-								135.511544,
-								-25.511544
-							],
-							[
-								135.401917,
-								-25.601512
-							],
-							[
-								135.276845,
-								-25.668364
-							],
-							[
-								135.141135,
-								-25.709531
-							],
-							[
-								135,
-								-25.723432
-							],
-							[
-								134.858865,
-								-25.709531
-							],
-							[
-								134.723155,
-								-25.668364
-							],
-							[
-								134.598083,
-								-25.601512
-							],
-							[
-								134.488456,
-								-25.511544
-							],
-							[
-								134.398488,
-								-25.401917
-							],
-							[
-								134.331636,
-								-25.276845
-							],
-							[
-								134.290469,
-								-25.141135
-							],
-							[
-								134.276568,
-								-25
-							],
-							[
-								134.290469,
-								-24.858865
-							],
-							[
-								134.331636,
-								-24.723155
-							],
-							[
-								134.398488,
-								-24.598083
-							],
-							[
-								134.488456,
-								-24.488456
-							],
-							[
-								134.598083,
-								-24.398488
-							],
-							[
-								134.723155,
-								-24.331636
-							],
-							[
-								134.858865,
-								-24.290469
-							],
-							[
-								135,
-								-24.276568
-							],
-							[
-								135.141135,
-								-24.290469
-							],
-							[
-								135.276845,
-								-24.331636
-							],
-							[
-								135.401917,
-								-24.398488
-							],
-							[
-								135.511544,
-								-24.488456
-							],
-							[
-								135.601512,
-								-24.598083
-							],
-							[
-								135.668364,
-								-24.723155
-							],
-							[
-								135.709531,
-								-24.858865
-							],
-							[
-								135.723432,
-								-25
-							]
+							135,
+							-24.276568
+						],
+						[
+							135.077787,
+							-24.280032
+						],
+						[
+							135.154838,
+							-24.290389
+						],
+						[
+							135.230423,
+							-24.307542
+						],
+						[
+							135.303826,
+							-24.331329
+						],
+						[
+							135.374348,
+							-24.361523
+						],
+						[
+							135.441321,
+							-24.397839
+						],
+						[
+							135.504104,
+							-24.439933
+						],
+						[
+							135.562097,
+							-24.487403
+						],
+						[
+							135.614744,
+							-24.539799
+						],
+						[
+							135.661536,
+							-24.596623
+						],
+						[
+							135.702019,
+							-24.657332
+						],
+						[
+							135.735798,
+							-24.721347
+						],
+						[
+							135.76254,
+							-24.788057
+						],
+						[
+							135.781976,
+							-24.856823
+						],
+						[
+							135.793908,
+							-24.926985
+						],
+						[
+							135.798209,
+							-24.99787
+						],
+						[
+							135.794825,
+							-25.068796
+						],
+						[
+							135.783774,
+							-25.13908
+						],
+						[
+							135.76515,
+							-25.208042
+						],
+						[
+							135.739121,
+							-25.275017
+						],
+						[
+							135.705927,
+							-25.339355
+						],
+						[
+							135.665878,
+							-25.400432
+						],
+						[
+							135.619353,
+							-25.457655
+						],
+						[
+							135.566797,
+							-25.510467
+						],
+						[
+							135.508713,
+							-25.558353
+						],
+						[
+							135.445663,
+							-25.600846
+						],
+						[
+							135.378256,
+							-25.63753
+						],
+						[
+							135.307149,
+							-25.668047
+						],
+						[
+							135.233035,
+							-25.692099
+						],
+						[
+							135.156637,
+							-25.709449
+						],
+						[
+							135.078704,
+							-25.719927
+						],
+						[
+							135,
+							-25.723432
+						],
+						[
+							134.921296,
+							-25.719927
+						],
+						[
+							134.843363,
+							-25.709449
+						],
+						[
+							134.766965,
+							-25.692099
+						],
+						[
+							134.692851,
+							-25.668047
+						],
+						[
+							134.621744,
+							-25.63753
+						],
+						[
+							134.554337,
+							-25.600846
+						],
+						[
+							134.491287,
+							-25.558353
+						],
+						[
+							134.433203,
+							-25.510467
+						],
+						[
+							134.380647,
+							-25.457655
+						],
+						[
+							134.334122,
+							-25.400432
+						],
+						[
+							134.294073,
+							-25.339355
+						],
+						[
+							134.260879,
+							-25.275017
+						],
+						[
+							134.23485,
+							-25.208042
+						],
+						[
+							134.216226,
+							-25.13908
+						],
+						[
+							134.205175,
+							-25.068796
+						],
+						[
+							134.201791,
+							-24.99787
+						],
+						[
+							134.206092,
+							-24.926985
+						],
+						[
+							134.218024,
+							-24.856823
+						],
+						[
+							134.23746,
+							-24.788057
+						],
+						[
+							134.264202,
+							-24.721347
+						],
+						[
+							134.297981,
+							-24.657332
+						],
+						[
+							134.338464,
+							-24.596623
+						],
+						[
+							134.385256,
+							-24.539799
+						],
+						[
+							134.437903,
+							-24.487403
+						],
+						[
+							134.495896,
+							-24.439933
+						],
+						[
+							134.558679,
+							-24.397839
+						],
+						[
+							134.625652,
+							-24.361523
+						],
+						[
+							134.696174,
+							-24.331329
+						],
+						[
+							134.769577,
+							-24.307542
+						],
+						[
+							134.845162,
+							-24.290389
+						],
+						[
+							134.922213,
+							-24.280032
+						],
+						[
+							135,
+							-24.276568
 						]
-					],
+					]
+				]
+			}
+		},
+		{
+			"type": "Feature",
+			"properties": {},
+			"geometry": {
+				"type": "Polygon",
+				"coordinates": [
 					[
 						[
-							[
-								130.723432,
-								-20
-							],
-							[
-								130.709531,
-								-20.141135
-							],
-							[
-								130.668364,
-								-20.276845
-							],
-							[
-								130.601512,
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diff --git a/packages/turf-buffer/test/out/geometry-collection-points.geojson b/packages/turf-buffer/test/out/geometry-collection-points.geojson
index 0e2f08b3d5..f02e3c3576 100644
--- a/packages/turf-buffer/test/out/geometry-collection-points.geojson
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diff --git a/packages/turf-buffer/test/out/linestring.geojson b/packages/turf-buffer/test/out/linestring.geojson
index c2c58de09f..82b988bb82 100644
--- a/packages/turf-buffer/test/out/linestring.geojson
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diff --git a/packages/turf-buffer/test/out/multi-linestring.geojson b/packages/turf-buffer/test/out/multi-linestring.geojson
index 66ac4d8e76..49e913e4cb 100644
--- a/packages/turf-buffer/test/out/multi-linestring.geojson
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diff --git a/packages/turf-buffer/test/out/multi-point.geojson b/packages/turf-buffer/test/out/multi-point.geojson
index 3698d6dea2..808faa638b 100644
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diff --git a/packages/turf-buffer/test/out/multi-polygon.geojson b/packages/turf-buffer/test/out/multi-polygon.geojson
index e00af2663b..fe09674ae1 100644
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diff --git a/packages/turf-buffer/test/out/north-latitude-points.geojson b/packages/turf-buffer/test/out/north-latitude-points.geojson
index 8772f268b8..142621da04 100644
--- a/packages/turf-buffer/test/out/north-latitude-points.geojson
+++ b/packages/turf-buffer/test/out/north-latitude-points.geojson
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diff --git a/packages/turf-buffer/test/out/point.geojson b/packages/turf-buffer/test/out/point.geojson
index a78c6c0eff..0c3930720c 100644
--- a/packages/turf-buffer/test/out/point.geojson
+++ b/packages/turf-buffer/test/out/point.geojson
@@ -1,143 +1,291 @@
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-				],
-				[
-					134.858865,
-					-25.709531
-				],
-				[
-					134.723155,
-					-25.668364
-				],
-				[
-					134.598083,
-					-25.601512
-				],
-				[
-					134.488456,
-					-25.511544
-				],
-				[
-					134.398488,
-					-25.401917
-				],
-				[
-					134.331636,
-					-25.276845
-				],
-				[
-					134.290469,
-					-25.141135
-				],
-				[
-					134.276568,
-					-25
-				],
-				[
-					134.290469,
-					-24.858865
-				],
-				[
-					134.331636,
-					-24.723155
-				],
-				[
-					134.398488,
-					-24.598083
-				],
-				[
-					134.488456,
-					-24.488456
-				],
-				[
-					134.598083,
-					-24.398488
-				],
-				[
-					134.723155,
-					-24.331636
-				],
-				[
-					134.858865,
-					-24.290469
-				],
-				[
+	"type": "FeatureCollection",
+	"features": [
+		{
+			"type": "Feature",
+			"properties": {
+				"foo": "bar"
+			},
+			"geometry": {
+				"type": "Polygon",
+				"coordinates": [
+					[
+						[
+							135,
+							-24.276568
+						],
+						[
+							135.077787,
+							-24.280032
+						],
+						[
+							135.154838,
+							-24.290389
+						],
+						[
+							135.230423,
+							-24.307542
+						],
+						[
+							135.303826,
+							-24.331329
+						],
+						[
+							135.374348,
+							-24.361523
+						],
+						[
+							135.441321,
+							-24.397839
+						],
+						[
+							135.504104,
+							-24.439933
+						],
+						[
+							135.562097,
+							-24.487403
+						],
+						[
+							135.614744,
+							-24.539799
+						],
+						[
+							135.661536,
+							-24.596623
+						],
+						[
+							135.702019,
+							-24.657332
+						],
+						[
+							135.735798,
+							-24.721347
+						],
+						[
+							135.76254,
+							-24.788057
+						],
+						[
+							135.781976,
+							-24.856823
+						],
+						[
+							135.793908,
+							-24.926985
+						],
+						[
+							135.798209,
+							-24.99787
+						],
+						[
+							135.794825,
+							-25.068796
+						],
+						[
+							135.783774,
+							-25.13908
+						],
+						[
+							135.76515,
+							-25.208042
+						],
+						[
+							135.739121,
+							-25.275017
+						],
+						[
+							135.705927,
+							-25.339355
+						],
+						[
+							135.665878,
+							-25.400432
+						],
+						[
+							135.619353,
+							-25.457655
+						],
+						[
+							135.566797,
+							-25.510467
+						],
+						[
+							135.508713,
+							-25.558353
+						],
+						[
+							135.445663,
+							-25.600846
+						],
+						[
+							135.378256,
+							-25.63753
+						],
+						[
+							135.307149,
+							-25.668047
+						],
+						[
+							135.233035,
+							-25.692099
+						],
+						[
+							135.156637,
+							-25.709449
+						],
+						[
+							135.078704,
+							-25.719927
+						],
+						[
+							135,
+							-25.723432
+						],
+						[
+							134.921296,
+							-25.719927
+						],
+						[
+							134.843363,
+							-25.709449
+						],
+						[
+							134.766965,
+							-25.692099
+						],
+						[
+							134.692851,
+							-25.668047
+						],
+						[
+							134.621744,
+							-25.63753
+						],
+						[
+							134.554337,
+							-25.600846
+						],
+						[
+							134.491287,
+							-25.558353
+						],
+						[
+							134.433203,
+							-25.510467
+						],
+						[
+							134.380647,
+							-25.457655
+						],
+						[
+							134.334122,
+							-25.400432
+						],
+						[
+							134.294073,
+							-25.339355
+						],
+						[
+							134.260879,
+							-25.275017
+						],
+						[
+							134.23485,
+							-25.208042
+						],
+						[
+							134.216226,
+							-25.13908
+						],
+						[
+							134.205175,
+							-25.068796
+						],
+						[
+							134.201791,
+							-24.99787
+						],
+						[
+							134.206092,
+							-24.926985
+						],
+						[
+							134.218024,
+							-24.856823
+						],
+						[
+							134.23746,
+							-24.788057
+						],
+						[
+							134.264202,
+							-24.721347
+						],
+						[
+							134.297981,
+							-24.657332
+						],
+						[
+							134.338464,
+							-24.596623
+						],
+						[
+							134.385256,
+							-24.539799
+						],
+						[
+							134.437903,
+							-24.487403
+						],
+						[
+							134.495896,
+							-24.439933
+						],
+						[
+							134.558679,
+							-24.397839
+						],
+						[
+							134.625652,
+							-24.361523
+						],
+						[
+							134.696174,
+							-24.331329
+						],
+						[
+							134.769577,
+							-24.307542
+						],
+						[
+							134.845162,
+							-24.290389
+						],
+						[
+							134.922213,
+							-24.280032
+						],
+						[
+							135,
+							-24.276568
+						]
+					]
+				]
+			}
+		},
+		{
+			"type": "Feature",
+			"properties": {
+				"foo": "bar"
+			},
+			"geometry": {
+				"type": "Point",
+				"coordinates": [
 					135,
-					-24.276568
-				],
-				[
-					135.141135,
-					-24.290469
-				],
-				[
-					135.276845,
-					-24.331636
-				],
-				[
-					135.401917,
-					-24.398488
-				],
-				[
-					135.511544,
-					-24.488456
-				],
-				[
-					135.601512,
-					-24.598083
-				],
-				[
-					135.668364,
-					-24.723155
-				],
-				[
-					135.709531,
-					-24.858865
-				],
-				[
-					135.723432,
 					-25
 				]
-			]
-		]
-	},
-	"properties": {}
+			}
+		}
+	]
 }
diff --git a/packages/turf-buffer/test/out/polygon-with-holes.geojson b/packages/turf-buffer/test/out/polygon-with-holes.geojson
index feb56e0bb7..f8fd7cf1ce 100644
--- a/packages/turf-buffer/test/out/polygon-with-holes.geojson
+++ b/packages/turf-buffer/test/out/polygon-with-holes.geojson
@@ -1,197 +1,271 @@
 {
-	"type": "Feature",
-	"geometry": {
-		"type": "Polygon",
-		"coordinates": [
-			[
-				[
-					123.467583,
-					-24.559561
-				],
-				[
-					124.170708,
-					-13.875895
-				],
-				[
-					124.195729,
-					-13.729096
-				],
-				[
-					124.250278,
-					-13.590531
-				],
-				[
-					124.332043,
-					-13.46607
-				],
-				[
-					124.43756,
-					-13.360988
-				],
-				[
-					124.562357,
-					-13.279737
-				],
-				[
-					124.701146,
-					-13.22576
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-					124.848047,
-					-13.201344
-				],
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-					130.385157,
-					-12.859861
-				],
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-					130.441404,
-					-12.858584
-				],
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-					135.714841,
-					-12.944001
-				],
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-					135.88854,
-					-12.968071
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-					136.051344,
-					-13.033227
-				],
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-					141.764234,
-					-16.17043
-				],
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-					141.881334,
-					-16.250616
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-					-23.196774
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-					-23.331727
-				],
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-				[
-					123.473851,
-					-24.713219
-				],
-				[
-					123.467583,
-					-24.559561
+	"type": "FeatureCollection",
+	"features": [
+		{
+			"type": "Feature",
+			"properties": {},
+			"geometry": {
+				"type": "Polygon",
+				"coordinates": [
+					[
+						[
+							123.467583,
+							-24.559561
+						],
+						[
+							124.170708,
+							-13.875895
+						],
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+							124.195729,
+							-13.729096
+						],
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+							124.250278,
+							-13.590531
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+							124.332043,
+							-13.46607
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+							124.43756,
+							-13.360988
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+							124.562357,
+							-13.279737
+						],
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+							124.701146,
+							-13.22576
+						],
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+							124.848047,
+							-13.201344
+						],
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+							130.385157,
+							-12.859861
+						],
+						[
+							130.441404,
+							-12.858584
+						],
+						[
+							135.714841,
+							-12.944001
+						],
+						[
+							135.88854,
+							-12.968071
+						],
+						[
+							136.051344,
+							-13.033227
+						],
+						[
+							141.764234,
+							-16.17043
+						],
+						[
+							141.881334,
+							-16.250616
+						],
+						[
+							141.980525,
+							-16.352122
+						],
+						[
+							142.05799,
+							-16.47104
+						],
+						[
+							145.485724,
+							-23.069264
+						],
+						[
+							145.537235,
+							-23.196774
+						],
+						[
+							145.563686,
+							-23.331727
+						],
+						[
+							145.56412,
+							-23.469248
+						],
+						[
+							145.538524,
+							-23.604366
+						],
+						[
+							145.48782,
+							-23.732199
+						],
+						[
+							145.413842,
+							-23.848128
+						],
+						[
+							138.909936,
+							-32.17353
+						],
+						[
+							138.815211,
+							-32.273493
+						],
+						[
+							138.703259,
+							-32.353694
+						],
+						[
+							138.578137,
+							-32.411226
+						],
+						[
+							138.44438,
+							-32.444006
+						],
+						[
+							138.306835,
+							-32.450846
+						],
+						[
+							128.463085,
+							-32.001229
+						],
+						[
+							128.326924,
+							-31.981925
+						],
+						[
+							128.196876,
+							-31.937203
+						],
+						[
+							128.077641,
+							-31.868679
+						],
+						[
+							127.973528,
+							-31.778829
+						],
+						[
+							127.888298,
+							-31.670901
+						],
+						[
+							123.581658,
+							-24.999419
+						],
+						[
+							123.512458,
+							-24.862081
+						],
+						[
+							123.473851,
+							-24.713219
+						],
+						[
+							123.467583,
+							-24.559561
+						]
+					],
+					[
+						[
+							130.38156,
+							-26.296552
+						],
+						[
+							138.363482,
+							-26.296552
+						],
+						[
+							138.363482,
+							-18.116011
+						],
+						[
+							128.682132,
+							-18.116011
+						],
+						[
+							130.38156,
+							-26.296552
+						]
+					]
 				]
-			],
-			[
-				[
-					130.38156,
-					-26.296552
-				],
-				[
-					138.363482,
-					-26.296552
-				],
-				[
-					138.363482,
-					-18.116011
-				],
-				[
-					128.682132,
-					-18.116011
-				],
-				[
-					130.38156,
-					-26.296552
+			}
+		},
+		{
+			"type": "Feature",
+			"properties": {},
+			"geometry": {
+				"type": "Polygon",
+				"coordinates": [
+					[
+						[
+							124.18945312500001,
+							-24.607069137709694
+						],
+						[
+							128.49609375,
+							-31.278550858946517
+						],
+						[
+							138.33984375,
+							-31.728167146023935
+						],
+						[
+							144.84375,
+							-23.40276490540795
+						],
+						[
+							141.416015625,
+							-16.804541076383455
+						],
+						[
+							135.703125,
+							-13.667338259654947
+						],
+						[
+							130.4296875,
+							-13.581920900545844
+						],
+						[
+							124.892578125,
+							-13.923403897723334
+						],
+						[
+							124.18945312500001,
+							-24.607069137709694
+						]
+					],
+					[
+						[
+							129.79296875,
+							-27.019984007982554
+						],
+						[
+							139.0869140625,
+							-27.019984007982554
+						],
+						[
+							139.0869140625,
+							-17.392579271057766
+						],
+						[
+							127.79296875,
+							-17.392579271057766
+						],
+						[
+							129.79296875,
+							-27.019984007982554
+						]
+					]
 				]
-			]
-		]
-	},
-	"properties": {}
+			}
+		}
+	]
 }
diff --git a/packages/turf-buffer/test/types.ts b/packages/turf-buffer/test/types.ts
index 758da20f10..1a60218756 100644
--- a/packages/turf-buffer/test/types.ts
+++ b/packages/turf-buffer/test/types.ts
@@ -1,11 +1,7 @@
+import {point} from '@turf/helpers'
 import * as buffer from '../'
 
-const point = {
-	"type": "Point",
-	"coordinates": [
-		100,
-		0
-	]
-}
+const pt = point([100, 0])
 
-buffer(point, 1, 'miles')
\ No newline at end of file
+buffer(pt, 5, 'miles')
+buffer(pt, 10, 'miles', 64)
\ No newline at end of file