Designed for station wagons and smaller SUV's, the Stream Box 12 provides ample space without inhibiting the driver's vision or rear gate use. The universal mount system allows you to attach your cargo box to most factory crossbars as well as square or round aftermarket racks and features a memory system that means there's no adjustment necessary after the first mount. Made of durable 3-layer ABS material with a glossy finish. Exterior dimensions: 72.8" x 29.5" x 13.4". Weight: 29 lbs.