The BlueDevil Head Gasket Sealer #00209 is a powerful and convenient automotive tool for sealing gaskets with 2X the sealing power. This 16 oz. pour-n-go pack comes with 1 unit and is made in the United States by the trusted brand BlueDevil. With no warranty, this gasket sealer is perfect for automotive maintenance and repair, providing a reliable and efficient solution for sealing gaskets effectively.