Meguiar's® M5616 Marine/RV Pure Wax Carnauba Blend, 16 oz liguid. Durable high gloss protection for all fiberglass gel coat marine or RV surfaces. Blend of pure Brazilian carnauba wax with silicones, polymers and resins to maintain extraordinary gloss and protection. Protects against the sun's ultraviolet rays. *Use wax only after surface has been cleaned & restored to a like new or average finish.