The Green Backpack can be found in Cabin 1. In it you'll find Matches, Sunglasses and a Bong. You can also add items into the backpack and the storage seems to be infinite, but only for certain types of items.

The Backpack can hold: Beer, Bong, Dirty Underwear, Hammer, Kitchen Knife, Matches, Paintbrush, Saucepan, Sock. Most large things like the Axe, the Rake, and boxes can't be put into the backpack.

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