Meguiars Flagship Premium Marine Wax 16 oz Meguairs Flagship Premium Marine Wax dramatically enriches color and shine of fiberglass and gel coat surfaces. This boat wax is effective in removing light oxidation and dullness, restoring gloss, and adding protection from UV damage. The Flagship Premium Marine Wax offers long-lasting polymer protection and incredible deep gloss to fiberglass and gel coat surfaces. Easy to apply, this wax is formulated to be effective by hand or dual action polisher.