Designed to keep the contents of your pack organized and bone dry, Osprey’s Dry Sacks provide the security of waterproof gear storage and color coded organization in your pack.Features Roll top waterproof closure Waterproof coated fabric and seams Rectangular shape for efficient packing Specs VOLUME: 732 IN3 / 12 L DIMENSIONS: 16H X 9W X 5D IN. WEIGHT: 0.09 LBS. FABRIC: MAIN: 40D Nylon Ripstop ACCENT: 40D Nylon Ripstop BOTTOM: 40D Nylon Ripstop