NKTM Waterproof Dry Bag Roll Top Dry Compression Sack Keeps Gear Dry for Ski Trip,Tubing Trip, Kayaking, Rafting, Boating, Hiking, Camping Fishing 10L/20L Superior Material: Made of superfine 500D PVC tarpaulin with sturdy welded seam which is design for a long time use. It's lightweight, compact and durable. Watertight Protection: Solid roll top closure design provide secure watertight seal. Keep your gear, valuables clean and dry. Protect your item from water, snow, sand and mud. Easy Use and Cleaning: Put your item in the bag, grab top woven tape, roll down tightly 4 to 5 times, finally plug buckle to complete seal. The surface is smooth, so your can easy cleaning. Right Size: 10L and 20L to meet your demands on different occasions. Each bag includes an adjustable and removable shoulder strap for cross-body or shoulder carrying. Widely Use: The dry sack can float on water after rolled and buckled, so you can track your gear easily. Perfect for boating, kayaking, paddling, sailing, canoeing.