Honda Genuine Accessories are designed specifically for your Honda vehicle and have the same quality and durability that you've come to expect from Honda. They are covered by the same warranty terms as your vehicle. 35 Liter: Top Case features quick-detach mount and a "1 Key System." 35 liter volume capacity. Maximum allowable cargo weight of 13.2 pounds. Note: Other parts are required for installation, please see Detailed Specifications. 38 Liter: Top Box offers 38 Liters of storage capacity. Made of polypropelene and features aluminum exterior panel. Note: Rear Carrier, Rear Carrier Support, Top Case Lock and Key Cyclinder Type 1 required for installation (all sold separately). Detailed Specifications: Required for installation: Top Case Mount P/N 08L70-MJP-G50.