How to use Minecraft My Undertale and Deltarune Costume skin ?

Learn how to download and apply the My Undertale and Deltarune 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 My Undertale and Deltarune 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 My Undertale and Deltarune Costume skin file.

Does this skin have thick or skinny arms?

This particular My Undertale and Deltarune Costume skin has thick (4px) arms. It is based on the classic Steve model.

What color is this My Undertale and Deltarune Costume skin skin?

This particular Minecraft My Undertale and Deltarune Costume skin has the following color palette:
Azure
Azure
Confetti
Old Lace
Mine Shaft