A one-time injection molding, durable, impact-resistant, compared to traditional iron fuel packs, it have lighter weight and stronger security, seamless barrel body, will not leak. A petrol tank with anti-corrosion, anti-static, anti-ultraviolet function Can be easily inserted into the tank opening, easy to use. (Storage/Refueling modes, putting in the barrel when storage, refueling out.) Discouraged holes designed to prevent backflow of negative pressure generated to save more time and effor Can be used for holding water, fuel oil,Universal fit for all vehicles like car, truck, small size boat, and available for gasoline and diesel Capacity: 20 L/5.28 Gallon Container Only