BOAT CLEANER BY CAPT MIKE 1 GAL SPECIFICALLY DEVELOPED FOR MARINE INDUSTRY COMMERICAL STRENGTH FORMULA QUICKLY 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 EXCELLANT FOR HEAD AND GALLEY FIXTURES TOO!! READY TO USE, JUST SPRAY ON AND WIPE OFF GRIME