Aerodynamic cargo box offers 18-cubic feet of capacity; comes with integrated track system, cargo net, base pad, and SKS locks included * Quick-installation mounting hardware compatible with square, round, and factory crossbars; fits crossbar spread of 24 to 42 inches * Dual-sided opening and one-hand operation with Super Latch * Box measures 92 by 36 by 16 inches; lightweight and strong ABS plastic construction * Limited lifetime warranty; Planet PayBack sustainable manufacturing initiative