GRT714B WATERPROOF CARGO BAG 20L100% waterproof bags, created to enjoy Adventure responsibly, all products are in compliance with R. E. A. C. H. regulations to protect the environment. High resistance, super light fabric (Tarpaulin = 420D TPU Nylon + 840D Double TPU Nylon) which is 100% waterproof (IP65 grade certified = heavy rain and fine dust) Air extraction valve Seamless, high frequency seals Reflective inserts for greater visibility 20L roll bags come with shoulder strap and a