The main sizes of containers are:
a) 20 Foot ISO container (length of 20 feet and width of 8 feet);
b) 40 Foot ISO container (length of 40 feet and width of 8 feet);
c) Super high cube container (Oversize container); and
d) Air container (Container conforming to standards laid down for air transportation).Containers sizes classified under a) to c) are referred to as large containers.