The Cub - like its Transport sibling, is available in a five and six-wide. It is a medium-duty cargo solution that fits your general cargo usage needs with strength and style. Steel framing, TorFlex Axles, three-quarters of an inch plywood flooring, three-eighths of an inch plywood interior wall liners, heavy-duty hinges, side doors optional, structural gauge steel frames. Haulmark takes the Cub seriously...we know it works, and know when you work; you can count on it to be there for you...every mile of the way. It’s not a cuddly toy like many competitors offer, but a tough working solution to your smaller enclosed trailer needs.