The Kaitum Water proof bags are lightweight, flexible, and durable. They are based on a 3-fold down principle that ensures 100% waterproof solutions. The bagsare made from 55% TPU (Thermoplastic polyurethane) and 45% nylon combining the flexibility and strength from the 2 materials Size 52x23x18cm - 22L 1 large main compartment Front pocket with water resistant zipper Left side outer Pocket Possibility to strap on rod in pocket side Hood cover, storage of extra clothing Hard plate, comfort air flow system against the bag Adjustable padded shoulder rims Adjustable chest comfort strap Easy grip strap in top