20′DV – Standard DRY FREIGHT CONTAINERS 20'DV — STANDART 20 foot standard container (20 Dry Freight Container, 20 foot, 20'dv, 20 dc) is the most common type of containers. It is used for the transportation of a wide range of cargoes that correspond to the size and do not require special transportation conditions. The walls of a standard rectangular container are made of corrugated metal with a door at one end. Often, a 20-foot standard container is laid with a wooden floor.