Protect Your Cargo: Keeper Hitch Rack Cargo bag features 11 cubic ft. to protect and secure cargo loads from road grit, sun, wind and rain. Measurements: This cargo bag measures approximately 58 in. x 18 in. x 18 in. with heavy duty material. Features: Soft sides flex to fit odd-shaped loads and folds into a compact size for easy storage. Ideal Use: Attaches to rear vehicle transport racks for increased vehicle cargo space. Additional Features: Includes cam buckle straps for additional security.