Rightline Gear 100C70 PackRight Classic Car Top Carrier Capacity: Adjusts in size from 4 to 16 cu ft; the only car top carrier that can change dimension to perfectly fit your load. Dimensions: 42&#8221; L x 37&#8221; W x 18&#8221; H (when fully loaded). Constructed of 600D Hydrotuff material, a UV resistant, waterproof PVC backed polyester. Designed to fit a wide range of vehicles from wagons to SUVs, with or without a luggage rack. Includes: Carrier, StrapRight Strap Set, stuff sack, and instructions.