Load up and go! This sleek, aerodynamic car-top carrier holds plenty of gear, including six to eight pairs of skis.. Quick on/off mounting hardware mounts directly to factory-installed racks as well as after-market removable racks. Patented dual-side system makes box installation and loading a breeze. Convenient central locking system for easy box opening and closing. Internal tie-down straps included to secure the contents. Impact and UV-resistant ABS construction. Capacity: 18 cubic feet. One Key System lock cylinders and two locks included. Mount to all factory racks with crossbars or any thule or yakima racks.