2L size, capacity: 122Cu.In, super ligh-tweight dry sack - Crafted with ultimate lightweight & waterproof 250D PVC cloth, only weights 3.1oz. Never deal with heavy or stiff dry bags again! Rugged roll-top closure - Seals quickly and easily with 3 roll closure, which is twice as safe as any closure seal available on market. A snap hook on the quick-release buckle provides a handy attachment point. Super easy to seal - Fold the top at least three times, then snap the buckle shut. Keeps your accessories dry while rafting, boating, kayaking, hiking, snowboarding, camping, fishing, canoeing and backpacking.[Caution: Please keep the dry bag inflated so that it can float on the water to avoid water soaking into the sealing part] Please notice Bear Outdoor Dry Bags will float safety if dropped into the water. But Please be aware that it should not be fully submerged underwater. Thanks!