The 40' Easy Open Doors | High Cube container allows for access from one end and stands a foot taller than the standard 8'6" unit. If you have the space a 40ft container is a great value, as they typically cost more than $1,000 less than two 20ft containers.. These units are in like new or new condition. Our 40ft cargo boxes offer the LATEST MOST UPTO DATE features, including a Lock Box, Easy Open Doors, Zerk fittings on the door hinges for greasing, and an extra SECURE cam/keeper for added security!