Backpack (Sophisticated Backpacks)

The Backpack is an item added by Sophisticated Backpacks. It comes in 16 different colors, plus the undyed variant. Backpacks can be opened by right-clicking or pressing B.

Backpacks can be placed in the world by shift-right-clicking them.

UI
Backpacks have a user interface similar to a Chest. An additional slot is present on the left for backpack upgrades.