A storage unit installed in a compartment of a motor vehicle such as the bed of a pickup truck and a method of distributing such devices. Embodiments include a cover, a support structure, and a rawer and may have the same horizontal dimensions as the compartment or bed but sit below the wheel wells to allow bulky cargo to be carried. Embodiments include a slanted drawer face to facilitate rolling or sliding cargo onto the device, a seal to prevent dirt or sand from getting under the cover, cutouts in the cover for the wheel wells, or a combination thereof. In some embodiments, movable dividers are installed in the drawer to form separate storage areas. The method of distribution includes providing identical drawers, providing different size covers for different vehicles, providing support structures, and installing or selling the storage devices with identical drawers but different size covers, for instance.