ISO Shipping Containers used in North America are typically made in the standard sizes of 8’ wide, 8’6” high, and either 20’ or 40’ long.Ĥ0 foot containers are the most common size for people who want to buy a container. Many times when you see a stack of Containers on cargo ships in port, container depots, or being transported on a semi-truck chassis, it is a 40 footer.Ģ0 foot containers are the most popular for renting. A 20 foot Shipping Container is most popular because it is easy to deliver and fits in a wide variety of locations.