https://squareblogs.net/wrists....kin7/one-key-trick-e
40ft Tunnel Container The 40ft high cube double-door tunnel container provides greater height and a convenient access to load and unload. They are either built from new tunnel containers or adapted from standard shipping containers by welding another set of double doors on one end. They also encourage sustainability, reducing the cost of logistics by consolidating large shipments and reduce the cost of shipping. They are simple to load and transport with a forklift or crane. I