A box truck—also known as a box van, cube van, bob truck or cube truck—is a chassis cab truck with an enclosed cuboid-shaped cargo area. On most box trucks, the cabin is separate to the cargo area, however some box trucks have a door between the cabin and the cargo area. The difference between a box truck and a van is that the cargo van is a one-piece (unibody), while a box truck is created by adding a cargo box to a chassis cab.