20-liter waterproof tank bag Black with yellow inner lining 840D Nylon TPU (Double coating) Resistant to tears/cuts Reflective print for improved visibility Transparent upper pocket for map/smartphone/ tablet Side pockets (not waterproof) Water resistant zip closure with waterproof cover for added protection Handle with rubber insert Adjustable padded shoulder strap for transportation Internal reinforcements to provide greater support to the structure of the bag Anti-slip base. TANK BAG GRAVEL-T 20L