Motorcycle Backpack Waterproof Helmet Bag Expandable Motorbike Mach Backpack Biker Suitcase Carbon Motorcyclist AccessoriesBrand:Model: LA-0112Color: black, red, green, blueMaterial: carbon fiber, waterproof Oxford cloth Weight: about 1.5kgCapacity: 30-48 litersFeatures: waterproof, night reflective, hard shell, wear-resistant, large capacityFeatures:1.Aerodynamic molded exterior design for unmatched "Air Flow"reducing drag while riding2.Weather resistant molded exterior shell with molded graphic design3.Laptop protective compartment fits most 15"laptops4.Deluxe organization panel with secure valuables pocket and adjustable load divider to evenly distribute weight5.Expansion zippered gusset to increase main compartment capacity6.Ergonomic and deluxe padded back panel for ultimate comfort7.Fully adjustable and ergonomic padded shoulder straps with quickexit buckles and no slip sternum straps for comfortable8. Reflective safety piping and logo for 360 degree visibility9.Concealed aerodynamic carry handle10. Helmet carrying system: large capacity (can accommodate a full helmet)11. Carbon weave PU shell.12. Double waterproof feature, comes with a waterproof cover