This is the most popular method of shipping cargo overseas.
There are two sizes of containers to choose from; 20' and 40' containers. A 20' container can hold approximately 1000 cubic feet of cargo and the inside dimensions are 234"x90"x90".
A 40' can hold approximately 2100 cubic feet and the inside dimensions are 474"x90"x90".
Once loaded, these containers are stacked on board ocean vessels and lifted on and off the ships with large cranes.