Super strong and abrasion resistant, the non-PVC mid-weight Sea To Summit Big River 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. Suitable to keep contents dry in any wet situation where the bag is not submerged. 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 Proper Use: Any roll-top dry sack must be closed properly to ensure water can