"Meguiar's Mirror Glaze 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. 16 ounces. Ideal for fiberglass and all painted surfaces Durable high-gloss shine"