A 20-foot shipping container is a type of standard container used for transporting goods by sea, rail, or road. It measures approximately 6 meters long, 2.44 meters wide, and 2.59 meters high, with a maximum load capacity of about 28 tons.

20-foot containers are commonly used for transporting small to medium-sized goods, such as manufactured products, food items, raw materials, spare parts, etc. They can be easily loaded and unloaded using cranes, forklifts, and trucks, and can be stacked on top of each other to maximize storage space.

20-foot containers are also available in a variety of configurations, including standard containers, temperature-controlled containers, open-top containers, fixed-roof containers, flat-rack containers, etc. They are widely used in the shipping industry and are considered a standard unit of measurement for maritime freight.