Roof top carrier for your car . The bottom section attaches to your existing roof rack (rack not supplied) and the top section hinges up for loading and unloading from the back or sides. The top is held in the closed position by two straps and can be locked with your own pad-lock ( lock not supplied). Simple, strong and waterproof. Made to be be adaptable to any rack Size 35" across 38" front to back 18" high