Each of our Classic Roll-Top Dry Bags is manufactured of premium malleable PVC, and features an adjustable and removable shoulder strap. To seal the dry bag, simply fold/roll down the the top at least 3 times, and buckle the ends together. The buckled ends also work as a carry handle. Capacity: 20L Dimensions: 10in x 20" (rolled down) Total Weight: 13oz. Origin: Imported