A tank container is built to the ISO Standard, making it suitable for different modes of transportation. Both hazardous and non-hazardous products can be transported in tank containers. A tank container is a vessel of stainless steel surrounded by an insulation and protective layer of usually Polyurethane and aluminum. The vessel is in the middle of a steel frame. The frame is made according to ISO standards and is 29.8556 feet (9.10 meters) long, 7.874 feet (2.40 meters) wide and 7.874 feet (2.40 meters) or 7.874 feet 6 inches (2.55 meters) high.