Chinook Ultralite Compression Dry Sack The backpacker's dream dry sack - it keeps your gear dry, clean, organized and compresses to a very compact size Roll-top stuff sack made of ultra-lightweight and tough rip stop nylon fabric Convenient grab handle All main seams are factory-seam-taped for complete waterproof protection Size: 9 x 20 Inch (22 x 51 cm); Weight: 4.6 oz. (130 g); Capacity: 1200 cubic Inch (20 L)