ROLA 59150 Pursuit Folding Roof Top Carrier Adds 13.5 cubic feet of storage Folds flat to a 3 inch height to reduce wind drag and promote fuel efficiency Zippered access panels on the sides and rear make loading and unpacking quick and easy Installs easily with universal mounting hardware that fits round, square, and most factory OEM racks Measures 57 inch x 33 inch x 17 inch when opened to capacity