Rooftop cargo box with 21 cubic feet of total storage space. Quick-installation hardware fits round, square, and most factory crossbars. Aerodynamic shape minimizes drag; extra-stiff lid is easy to open. Super Latch Security ensures your lid is secure to its base, and your stuff is safe. Equipped with SKS locks; measures 92 x 36 x 18 inches (L x W x H). 736745071844