Captian Mikes Boat Cleaner - Quart SPECIFICALLY DEVELOPED FOR MARINE INDUSTRY CAPT MIKE'S BOAT CLEANER COMMERCIAL STRENGTH FORMULA QUICKLY AND EASILY REMOVES GREASE, GRIME, OIL, LIGHT RUST, DIRT AND OXIDATION. IT CLEANS INTERNAL AND EXTERNAL FIBERGLASS, VINYL AND OTHER HARD SURFACES LIKE NOTHING ELSE ON THE MARKET.