Ruggedly built and ready for adventure, the Sea To Summit eVent Compression Dry Sack 10L is perfect for hiking, backpacking, camping, water sports, and more. Made from durable nylon with reinforced seams, this versatile dry sack features an eVent( fabric base that allows air to be removed from the interior while remaining 100% waterproof. Compression straps with patent pending Field Repair Buckles secure the Hypalon roll top closure, enabling this compression dry sack to hold extra clothing, two or three-season sleeping bag, and more without adding extra bulk.