How to use Minecraft Gaster's Colorless Costume skin ?

Learn how to download and apply the Gaster's Colorless Costume skin for Minecraft on PC (Java Edition) or Pocket Edition (PE).
PC (Java Edition):

1. Go to the Minecraft website and login to your account.
2. Click the “Minecraft Java Edition” dropdown menu and select “change skin”.
3. On the next page, click “select file” and upload the Gaster's Colorless Costume skin file.

1. Open the game app and press the “dressing room” button on the main menu screen.
2. Press “Edit Character” -> “owned skins” -> “choose new skin” and upload the Gaster's Colorless Costume skin file.

Does this skin have thick or skinny arms?

This particular Gaster's Colorless Costume skin has thick (4px) arms. It is based on the classic Steve model.

What color is this Gaster's Colorless Costume skin skin?

This particular Minecraft Gaster's Colorless Costume skin has the following color palette:
Baltic Sea
Bastille
Mirage
Bastille
Charade