Waterproof, ultralight packing organization at its finest, our new BlockerLite Compression Dry Sack protects essential backpacking and hiking gear like clothing and sleeping bags, while the Continuous Compression system reduces overall volume for maximum packing efficiency. FEATURES of the SealLine BlockerLite Compression Dry Sack Pack Featherweight 20D silicone and polyurethane-coated nylon delivers water defense while barely tipping the scales Fully welded seams result in stronger and more durably protective construction compared to sewn-and-taped seams Packing system sacks feature flat-sided Rectangular shapes that nestle closely together Packing 20% more efficiently than rounded sacks for easy Space-saving organization Materials have a reduced environmental impact over vinylcoated materials Ultralight space-saving packing organization Unlike conventional systems that pull against seams Continuous Compression system encircles the sack to minimize seam strain Sack to minimize seam strain, maximizing durability for dependable protection Draw cord closure with locking cord lock supplies speedy, hassle-free access to contents while the lockable cord lock ensures the sack stays cinched tightProduct Specifications Features: Compression, Waterproof, Roll Top, Ultralight Dimensions (5L): (W x L x H) 3.5 x 6.4 x 11.8 in. Dimensions (10L): (W x L x H) 4.3 x 8.2 x 14.1 in. Dimensions (20L): (W x L x H) 5.5 x 10.4 x 18.8 in. Weight (5L): 2.8 oz Weight (10L): 3.4 oz Weight (20L): 4.3 oz Ultralight: Yes Disclaimer: We only ship this brand to US Addresses. Best Use: Paddling, Backpacking, Camping Stuff / Compression Sack Closure: Roll-top