Made of durable HDPE and feature vapor barrier technology built into the container walls. Include our exclusive FlameShield Safety System. This two-piece system provide you a double layer of Include our exclusive FlameShield Safety System. This two-piece system provide you a “double layer of protection” from accidental fires that can result when improperly handling and storing gasoline and other flammable liquids. Designed to be environmentally friendly and to meet or exceed the California Air Resources Board (CARB) and EPA requirements for portable fuel containers.