The Osprey Ultralight Stuff Sack 12 is a rectangular shaped sack for organizing your gear. Pile in your food, then hang it from a tree away from camp to keep the bears from getting at it. Or perhaps you need a place to keep your extra layers, put those in there and you'll know exactly which sack to grab when it's time to change or add warmth. The 40D nylon ripstop fabric is durable and slides easily inside your pack. Features of the Osprey Ultralight Stuff Sack 12 A simplified closure, our stuff sacks Are perfect for storing and protecting your extral layers, food, and other small Items Rectangular shape to efficiently pack and organize your gear