Klasse All In One Polish is an old-school polish that, despite having roots that date back to the late 70's, still keeps up with modern products that utilize more advanced formulations. Relying on a proprietary acrylic-resin, Klasse All In One Polish creates a mirror finish by removing light surface imperfections, enhancing the gloss, color, and smoothness of your vehicle's paintwork. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.