The 20′ used shipping container is part of our used shipping container lineup. Used containers are in stock and available at all our locations across the country in various sizes and with different options designed to meet specific needs. Generally, all our used units are 10-14 years in age and may contain minor dents and surface rust. All of our used containers are built with CORTEN anti-corrosive steel and are thoroughly inspected to ensure they are in excellent condition.