This is the 4th Element Dry-Sac 75d Ripstop Nylon Roll Top Dry Bag Features: Perfect for organizing gear Range of useful sizes 75D ripstop nylon Waterproof PU coating Also used as packaging for J2 and Arctic Expedition 75D PU Ripstop 5 liter - Stuffed dimensions: 16cm diameter x 38cm length (unrolled) 15 liter - Stuffed dimensions: 22cm diameter x 57cm length (unrolled) 20 liter - Stuffed dimensions: 39cm diameter x 78.5cm length (unrolled) 30 liter - Stuffed dimensions: 42.5cm diameter x 85cm length (unrolled) Super-lightweight Dry-Sac with roll top closure, ideal for keeping equipment dry thanks to waterproof taped seams. Helps to compartmentalize and organize gear within larger bags and luggage systems.