diff --git a/Assets/MeshUtility/README.md b/Assets/MeshUtility/README.md
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+# MeshUtility
+
+Mesh processing tool in Unity platform.
+
+## MeshSeparator
+
+Separate the target mesh into different categories based on given conditions.
+
+Currently support separation of mesh contained BlendShape. See [documentation](Documentation/MeshUtility.md) for more details.
+
+<img src="Documentation/images/blendshape_separator.jpg" width="300">
+
+## Import MeshUtility
+
+There are two ways to import MeshUtility into a Unity project.
+
+### 1. Unity Package Manager (from Unity 2019)
+
+You can add MeshUtility package via `UPM`. First click `Window` from menu on top, then select `Package Manager`.
+
+<img src="Documentation/images/installation_1.jpg" width="200">
+
+In `Package Manager`, click `Add package from git URL` and paste `https://github.com/UniVRM/UniVRM.git?path=/Assets/MeshUtility`.
+
+<img src="Documentation/images/installation_2.jpg" width="200">
+
+Now check your project window. You shall see MeshUtility in the `Packages` folder.
+
+### 2. Add package name and its url in manifest.json
+
+Another way of importing MeshUtility is manually adding necessary information in manifest.json, which is in the directory of `Package folder` in your Unity project. Open manifest.json with text editor and add the followings in `dependencies`:
+
+```json
+{
+  "dependencies": {
+    "com.vrmc.meshutility": "https://github.com/UniVRM/UniVRM.git?path=/Assets/MeshUtility",
+  }
+}
+```
+
+Go back to the Unity project. The system will automatically load the package.
+
+<img src="Documentation/images/installation_3.jpg" width="200">
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diff --git a/Assets/MeshUtility/README.md.meta b/Assets/MeshUtility/README.md.meta
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diff --git a/Assets/MeshUtility/package.json b/Assets/MeshUtility/package.json
index 631b02365..ceba68177 100644
--- a/Assets/MeshUtility/package.json
+++ b/Assets/MeshUtility/package.json
@@ -3,7 +3,7 @@
     "displayName" : "MeshUtility",
     "version"     : "1.0.0",
     "unity"       : "2018.4",
-    "description" : "mesh utility",
+    "description" : "MeshUtility is a package for mesh separation, etc.",
     "keywords"    : [ "mesh" ],
     "author"      : { "name": "VRM Consortium" }
 }
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