The Umpqua roll-top Dry Bags are a great addition to your boat, truck, or day pack. They are completely waterproof and highly abrasion-resistant, meaning that they will shield your valuable gear from moisture for years to come even when submerged. They are available in a wide range of sizes so that you can pick the perfect size for all of your fly fishing adventures. Welded 420D nylon waterproof fabric D-ring for securing Dual tarpaulin-banded roll top Oval-shaped base provides easy stuffing and prevents it from rolling away.