NANOSKIN AUTOSCRUB Towel 12" x 12" Medium GradeREPLACE CLAY BAR: Clay bars are labor intensive, expensive, and time consuming. The Nanoskin Autoscrub is easier to use than a clay bar, lasts many times longer than a clay bar, and uses less effort and time to exfoliate and decontaminate surfaces before wax and coating process. MEDIUM GRADE: Formulated for heavily contaminated and light colored painted surfaces. It can also be used on general surfaces such as glass, plastic, and metal. The medium