Keep your decks and fiberglass looking like new. Apply to your decks and flat glass with a soft deck brush, places a non-slick wax finish that will keep everything from sticking. Dirt, soot, bird droppings, and even fish blood will rinse right off!. Long-lasting, this concentrated wax will protect your decks and fiberglass from the deteriorating effects of the sun, oxidation, water spots, and pollution, without the use of harsh chemicals or abrasive cleaners.. Size - 16 oz. Spray. 16 oz bottle provides 4 applications for a 25' center console boat.