60in Waterproof Hitch Cargo Carrier Rack Bag with Expandable Height Summit Cargo Gear waterproof 11 to 13. 8 cubic foot capacity vehicle hitch cargo carrier storage bag adds dry storage space for transporting fishing equipment, camping gear, luggage and suitcases on an existing vehicle roof rack or a 60in hitch cargo basket or hitch cargo tray. Durable, flexible soft-sided design to fit a variety of cargo. Each cargo carrier bag features weather-seal hook and loop flaps, heavy duty zippers, (6) integrated tie-down straps and (2) interior 16in x 8in zippered pockets. The soft sided roof bag measures 60inL x 19inW with a 17in to 21in expandable height. Storing items on a 45 degree angle have a maximum 61-63in hypotenuse, measured from the inside top corner to opposite bottom corner. Each hitch carrier bag is made with heavy duty waterproof PVC nylon to handle rugged all-weather conditions. Soft-sided flexible cargo storage area, great as a roof bag or a cargo carrier bag, expands from 17in to 21inH Fits 60in hitch mounted cargo carrier baskets and cargo trays (6) Integrated tie-down straps (2) Interior 16in x 8in zippered pockets Waterproof PVC coated nylon material with weather-seal zipper flap