Shipping containers are extremely strong, dependable, waterproof steel units, unrivalled in terms of strength and security. All 20ft once-used shipping containers are manufactured to ISO standards, which qualifies them as safe and compatible with intermodal transport systems – road, rail and sea. They will be certified to this effect with a CSC plate, which is valid for five years from the date of production. Of course many people will want to buy a 20 foot for use as a storage container, and buying new will guarantee maximum use from the container for many years to come. In line with our philosophy that “one size doesn’t fit all”, Shipping Container Source are the only World company that gives you a choice of 4 door types as standard when you buy a 20ft shipping container: