Pristine Marine One-step Gel Coat Cleaner Plus Sealant is super charged with Polycharger to enhance and extend gloss, clarity and slickness. This one-step polish & sealant is designed for painted or non-painted gel coats to clean, polish and seal the surface leaving a mirror-bright shine that will not crack, peel or yellow. For added protection, follow with Pristine Marine Ultimate Gel Coat Sealant. For use on fiberglass boats.