Features a uniquely designed spout that seals to your tank, then allows the fuel to flow quickly and easily, pouring 5 gallons in 45 seconds. Fluids stop flowing and automatically shuts off as fuel level in tank fills to end of spout to prevent over filling and spills. Just pull up and the valve in the Tuff Jug"s no-spill spout automatically closes, keeping your precious fuel in the jug and off the ground. Heavy-duty body with 5-gallon capacity with an ergonomically designed handle making pouring easy, great for racers, farm machinery, and agricultural applications with top-fill tanks. No vent to open and close or to leak when pouring. Wide-mouth design for pouring additives easily and observing fuel level when filling. Grooved bottom is designed to prevent sliding and spilling in your vehicle. Approved by the California Air Resources Board (C.A.R.B.) and EPA compliant. They also meet PFC-ASTM 852-99 specifications and comply with the Children"s Gasoline Burn Prevention Act.