Wolfgang Concours Series WG-3702 Uber Rinse Less Wash, 128 fl. oz. The Super slick German polymers in Wolfgang Number rinse less wash encapsulate dirt particles, protecting your vehicle's delicate clear coat paint from scratching Number rinse less wash contains water softeners that improve the quality of the water, helping eliminate water spots Super slippery German polymers increase the lubricity of your wash solution, reducing friction to prevent swirl marks and spider web scratches