Product Details: Brand: ROCKBROS Condition: Brand New Material: 600D Nylon+TPU Film Color: Black Capacity: 5L/8L Size: 40*23*6 cm (8L) / 30*19*6cm (5L) Weight: about 180g (5L) / 276g (8L)Feature: 1. Made of 600D nylon material, covered with 0.1mm TPU film, seamless welding with high frequency technology, laminated waterproof zipper, the whole package is waterproof and rainproof 2. Adopt a large area side zipper opening and closing design, which can easily put items in and out 3. High-brightness reflective LOGO, safer night riding 4, 5 Velcro st