Made of superior TPU, coated inside and welded seams to seal out water which effectively protect your electric device, clothes, snacks and other items from water, sand and dirt during river trekking, boating, rafting, kayaking and beach leisure.Features:Coated inside and welded seams, sealing out water to protect your items.600D TPU technical fabric, reliable and wear resistant to provide a long time lasting protection of your stuff.Roll down to close the bag and leave it on the water to do other water sports, no worry about the items getting wet.Solid handle and detachable shoulder strap for convenient carry.Protect your stuff from water, sand and dust during river trekking, drifting, swimming and beach leisure.Specifications:Material: 600D TPUCapacity: 10L / 15L / 20L (optiuonal)Flat size:10L: 55 * 25cm / 21.6 * 9.8in15L: 60 * 35cm / 23.6 * 13.7in20L: 67 * 41cm / 26.3 * 16.1inUse size:10L: 30 * 19 cm / 11.8 * 7.4in15L: 42 * 23cm / 16.5 * 9.0in20L: 46 * 32 * 14cm / 18.1 * 12.5 * 5.5inWeight: 220-730g / 0.4-1.6lbPackage weight: 230-745g / 0.5-1.6lbPackage List:1 * Waterproof Dry Bagit can protect from being scraped. It can be compressed, it is convenient to carry.inside perfect and dry.Protect your items from dust, water, snow, rain, just enjoy the outdoor life freely.Easy to wash and durable to use.