The Range Jr Car Top Carrier is weatherproof and attaches to vehicles with or without a roof rack. 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 carrier is made from UV protected PVC Semi-Coated Mesh XT for maximum durability. Use the Range Carrier on your next family vacation, backwoods expedition, shopping spree, or move. SPECIFICATIONS: Dimensions: 36 x 32 x 15 in / 91 x 81 x 38 cm Volume: 10 cu ft / 283L