Waterproof compression bag with purge valve and vertical compression straps. Use this lightweight bag to easily and quickly compress sleeping bags or clothing. Adjustable straps compress the bag vertically to the desired volume. The Telecompression Bag is easy to handle with quick release buckle on the roll-top closure, counter grip at base and the flat purge valve to expel air. Ideal when additional space need to be made in your pack. Can be used as Exped mat inflation aid in combination with a Schnozzel (not included). SpecificationsFor Size S Volume: 13 l Size (closed): 42 x; 20 cm Weight: 90 g Closure: Roll-top-closure with quick release buckle Water Resistance: Waterproof Durability: Regular For Size M Volume: 19 l Size (closed): 20.5 x; 8.7 in Weight: 3.9 oz Closure: Roll-top-closure with quick release buckle Water Resistance: Waterproof Durability: Regular Intended use: Storage and compression For Size L Volume: 36 l Size (closed): 65 x; 28 cm Weight: 145 g Closure: Roll-top-closure with quick release buckle Water Resistance: Waterproof Durability: Regular