This 40ft container with 4 side doors is used for intermodal freight transportation, meaning the shipping containers can work without unloading and reloading their cargo. The shipping containers are also known as intermodal containers, cargo, freight containers, ISO containers, ocean containers, sea containers, sea vans, the sea can, and c can. 90% of containers in the market are standardized, and they are called dry freight and general-purpose containers. Most of them are 8 feet wide and of either 20 feet or 40 feet standard length and  8 ft 6 inches height. Also, High Cube or HC or HQ containers are 9 ft 6 inches in height.