The roll-top closure system provides a secure watertight seal, keeps your gear dry in any wet situation, protects your items from water, snow, mud, and sand, and is your trusted partner in water sports or travel. Made from ripstop tarpaulin with sturdy welded seam, tear, rip, and puncture-proof, with proper care is sure to give you years of service. A dry bag is easy to wipe clean due to its smooth surface. Just toss your gear inside, fold down 3-5 times, buckle, and you are ready to go! Our dry sacks are especially suitable for kayaking, rafting, boating, beach, surfing, swimming, canoeing, camping, hiking, fishing, skiing,ing, and traveling, you can take it on the road in any season. Note: Not suitable for underwater sports.