The NRS Tuff Sack is an economical, utility dry bag that will keep your gear dry when you need it most. This dry bag comes in a variety of sizes that are perfect for day trips or week long treks. NRS Tuff Sack Features: The Tuff Sack features the innovative StormStriptm system coupled with heavy duty plastic buckles to provide a great seal and a convenient carrying handle. A rugged 18 oz. body and 30 oz. PVCpolyester bottom combine to create a bag that will last for years. Includes a 1 inch D ring on the closure strip. Tie it, clip it, attach it anywhere. XSmall is great for sunscreen, keys and snacks. Medium or Large bags are ideal for sleeping bags and clothes. Sizes are measured fully packed and closed. 1 inch plastic D ring Closure doubles as a handle.