This Thule hitch-mounted cargo carrier is a practical solution to transporting your gear. Includes a lock to keep it closed. 13 Cubic feet, 150-pound capacity. Works on 1-1/4" (Class II only) and 2" trailer hitches. Features: Mounts to existing trailer hitch. Carrier can tilt down to give more access to the rear of the vehicle. Lid locks in the open position for easy loading and unloading. Includes pre-wired taillights with standard four-pole flat connector ready to plug in and go. License plate holder with light is included. Cargo can be locked inside of cargo box - lock included. Built-in anti-rattle device reduces vibration and noise Solid, ABS construction is built to withstand rough conditions associated with travel. Plug/valve makes clean-up easy.