Meguiar's Boat and RV Pure Wax Carnauba Blend offers durable high gloss protection for all fiberglass gel coat marine or RV surfaces. It features an exclusive blend of pure Brazilian carnauba wax with special silicones, polymers and resins to maintain extraordinary gloss and protection. Meguiar's Boat and RV Pure Wax is formulated to protect against the sun's ultraviolet rays that can be harmful for most finishes over time. NOTE: Use wax only after surface has been cleaned & restored to a "like new" or "average" finish.