The Peregrine eVENT Dry Sack is a cylinder shaped dry sack perfect for situations where water and rain is involved. eVENT waterproof fabric on one end of the bag provides optimal durability while releasing any moisture and air inside the bag. 30D CORDURA Ultralite fabric delivers a desirable combination of qualities: durable, compact, lightweight, and waterproof. The Hypalon watertight roll top closure secures the bag shut and keeps the contents protected. Made with double waterproof treatment with a siliconized outside and a polyurethane coated inside. Taped and double stitched seams keep the bag watertight.