Enhance your cargo space with the Rightline Gear Ace 2 Car Top Carrier. Designed for use WITH or WITHOUT a roof rack, you can attach the carrier's straps to a vehicle's roof rack or use the Car Clips to attach the straps to a vehicle's door frame weather molding - the only revolutionary solution of its kind that WILL NOT interfere with passenger headroom. Rated Weatherproof, the Ace 2's UV protected PVC Semi-Coated Mesh shell, welded seams, and protective zipper flap provide a durable barrier from the elements. With 15 cubic feet of rooftop storage, you can transport your cargo and your passengers without compromising safety, comfort, or convenience. All Right line Gear products come backed by a 1 year manufacturer's warranty, so Gear up with confidence! Spend less time dealing with overpriced and overcomplicated alternatives, and more time doing what you love with a Rightline Gear Car Top Carrier.QUALITY WEATHERPROOF CONSTRUCTION: Engineered welded seams + hook-&-loop-close zipper flap provide reinforced protection against rain, snow, heat, heavy winds, and other extreme conditions.