STP Professional Engine Degreaser is a powerful cleaner designed to penetrate and dissolve heavy dirt and deposits on car, truck, van, and tractor engines. This 500ml aerosol can contains a potent blend of grease-stripping and metal-cleaning solvents, making it quick and easy to use for effective engine cleaning. Please avoid spraying or dripping on external body paint, asphalt driveways, or other surfaces sensitive to petroleum solvents, and if contact occurs, flush immediately with water. Made in the EU.