How to use Minecraft What's That Thing? skin ?

Learn how to download and apply the What's That Thing? 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 What's That Thing? 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 What's That Thing? skin file.

Does this skin have thick or skinny arms?

This particular What's That Thing? skin has thick (4px) arms. It is based on the classic Steve model.

What color is this What's That Thing? skin skin?

This particular Minecraft What's That Thing? skin has the following color palette:
Wild Sand
Emperor
Tundora
Mine Shaft
Goblin