Marine 31 Gel Coat Wax & Shine Detail Spray Made in USA Marine 31 Gel Coat Wax & Shine Detail Spray was formulated to safely remove fresh water spots, oil, film, and any other type of contaminants that plague a boat from everyday use. High lubricity cleaners remove foreign particles without scratching. Fortified with real carnauba wax, Marine 31 Gel Coat Wax & Shine Detail Spray renews existing protection while imparting a high-gloss, slick carnauba finish.