Stop using trash compactor bags to line your pack! They always tear a few days into your journey and leave your gear without protection from the elements. Ideal for adventure racers or long distance hikers, this waterproof pack liner will last trip after trip. Made of polyurethane coated Siliconized Cordura and a non wicking Hypalon roll top closure for a better seal. Oval sack shape designed to fit the internal contours of a backpack. Opens wide for easy packing when it's inside a pack. Low profile buckles. Waterproof double stitched, sealed seams. Very compact and lightweight weighs only 2.6 oz.. Fits packs up to 3000 cu. in. Measures 19 x 6 in. base x 21 in. height.