The product is a 12-pack of Lucas Oil 10576 Safeguard Ethanol Fuel Conditioner with Stabilizers, each containing 16 oz of the fuel additive. This product is designed to clean injectors, valve seats, and combustion chambers while stabilizing fuel and preventing varnish and gum formation. It is a performance/custom fitment type and is manufactured in the United States by Lucas. The fuel conditioner also protects engines from alcohol combustion and combats deposits, making it ideal for preventing issues related to alcohol combustion in gasoline engines.