The Slumberjack Compression Stuff Sacks are designed to get more room out of your pack! The sacks are color-coded based on size so determining what sack you need will be a breeze. They are also equipped with quick release buckles so they can be carried within or on the outside of your pack. Features:- Vertical compression straps - Quick release buckles - Can be buckled to the outside of a pack - Folds into self-carry pocket - Color- Navy Specifications:- X-Large Dimensions: 11 x 21 in