McKee's 37 Marine & RV Gloss Enhancing Final Polish is the perfect fine polish for use before final waxing. This unique formula features a select blend of ultra-fine diminishing abrasives and lubricating oils that smooth over imperfections to maximize gloss and clarity. McKee's 37 Marine & RV Gloss Enhancing Final Polish is safe for use on paint, gel coat, and fiberglass surfaces making it ideal for use on both marine and RV applications.