The NRS Tuff sack comes in a variety of sizes that are perfect for day trips or week long treks. Get out there, we'll keep your gear dry. Our Tuff Sack features the innovative StormStrip™ 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. PVC/polyester 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. X-Long (XL) is the perfect size for a Roll-A-Table or tent, and has a side-carry handle for easy transport. Sizes are measured fully packed and closed.