Whether you need a stuff sack for your sleeping bag or storing other items in your pack, the Lightweight Compression Stuff Sacks in the ALPS Mountaineering line will perform to the highest standards, time and time again, on all your treks. The 70D water-repellent ripstop nylon is both strong and lightweight. The straps connect the bottom and top lid, so you can cinch down the top as much or as little as you need. Available in multiple sizes! Features70D water repellent ripstop nylonBartacked stress pointsBottom handleLightweight and packs small 10LCapacity 10L / 615 in^3Dimensions 16" L x 7" DWeight 2.3 oz. 20LCapacity 20L / 1220 in^3Dimensions 19" L x 9" DWeight 2.9 oz. 30LCapacity 30L / 1831 in^3Dimensions 20" L x 11" DWeight 3.5 oz.