Free up cabin space on your next road trip with the Elevate Outdoor Oval Rooftop Box. Designed to install easily with access from either side, this rooftop box holds up to 185 lbs. of luggage, camping gear, travel essentials and more. This rooftop box is constructed from high-impact, multilayer ABS PMMA plastic and is waterproofed to keep interior contents completely dry. The locking design prevents unauthorized access, and it installs with included U-bolts to most existing rooftop crossbar systems with an interior span between 24 40. Usage Guidelines: For installation, measure existing crossbars. This box will fit existing crossbars with a minimum of 24 between bars, up to a max of 40 between bars. Remove cargo box before passing through a carwash.