40ft containers are the largest standard size manufactured from new. When used for storage, a 40ft new shipping container can be expected to last up to 30 years. They are built to very high standards in terms of strength and durability, to cope with the stresses of heavy loads and handling on overseas voyages. New ISO and used containers are guaranteed waterproof (made from strong COR-TEN steel), so whether you are looking for a container for export or storage, a 40ft new shipping container will not let you down!