The Rightline Gear Ace Jr. Car-Top Carrier is weatherproof and attaches to vehicles WITH or WITHOUT a roof rack. Attach the carrier's straps to your vehicle's roof rack or use the Car Clips to attach the straps to your vehicle's door frame weather molding. The carrier is made from UV-protected PVC semi-coated mesh for maximum durability. Gear up with confidence on your next family vacation, backwoods expedition, shopping spree, or move.• Capacity: 10 cu. ft.• Dimensions: 36"L x 30"W x 16"H• Designed for compact cars (can be used on larger vehicles) WITH or WITHOUT a roof rack• Weatherproof with welded seams and a urethane-coated zipper• Includes carrier, 4 attachment straps, 4 Car Clips, and setup guide Made from UV-protected PVC semi-coated mesh for maximum durability Weatherproof with welded seams & a urethane-coated zipper Measures 36""L x 30""W x 16""H