The Sea to Summit Lightweight Dry Sack is a truly versatile dry sack, made from a lightweight 70D waterproof, durable nylon fabric. This lightweight dry sack has a 10,000mm hydrostatic head – more than sufficient water protection for paddle use (avoid full submersion). A white interior lining adds great visibility when trying to find contents inside. And the various vibrant colors optimize color-coded organizing when packing for a trip! In 7 sizes to fit your needs.