The Waterproof Stuff Bag 9 in. x 20 in. is ideal for backpackers, cyclists, hunters, canoeists or anyone seeking a lightweight, waterproof stuff sack. Lash it to your pack or bike, shove it in your kayak, stow it in your canoe to protect your gear and keep it dry. Field tested in soggy Glacier Bay, Alaska. Keeps your gear dry. All seams are factory sealed. A special nylon sleeve extension seals the opening, when twisted shut or licked in place with a cord lock. 400 denier pack cloth body with single ply taffeta extension. 1.5 oz. urethane Super K Kote coated. Size: 9x20. Wt. 7 oz. Made in USA.