Description of Sea to Summit Big River Dry Sack Super strong and abrasion resistant, this non-PVC mid-weight dry bag has space saving low profile Hypalon® lash loops on the sides for secure stacking and a roll-resistant oval shape. A great choice for rugged water sports like kayaking, canoeing and rafting. Features: TPU laminated fabric with 10,000 mm waterhead Super strong and abrasion resistant 420 D nylon fabric Waterproof, double stitched, reinforced, tape sealed seams Hypalon® lash loops for secure attachment or stacking Waterproof Hypalon® roll top closure does not wick moisture Space saving, low profile, streamlined shape Oval base resists rolling- stays where you put it Big River Dry Bag - 3 Liter 11" x 7" x 4" 2.5 oz 3 L / 183 cu in Big River Dry Bag - 5 Liter 15" x 7" x 4" 2.9 oz 5 L / 305 cu in Big River Dry Bag - 8 Liter 17" x 8" x 5" 3.5 oz 8 L / 488 cu in Big River Dry Bag - 13 Liter 20" x 9" x 6" 4.2 oz 13 L / 793 cu Big River Dry Bag - 20 Liter 24" x 11" x 7" 6 oz 20 L / 1220 cu Big River Dry Bag - 35 Liter 28" x 13" x 8" 7.7 oz 35 L / 2136 cu in Big River Dry Bag - 65 Liter 33" x 15" x 10" 10.1 oz 65 L / 3966 cu in