SMC is a scientifically formulated multipurpose, multisurface cleaner. Surfaces: Fiberglass, Vinyl, Carpet, Rubber, Teak, Acrylic, Canvas. Purposes: Black Streaks, Vinyl Seating, Exhaust Stains, Bilges, Carpet Stains, Wheel and Rims, Fish Blood and more... Eliminate the need to use numerous cleaners; SMC does it all. 32oz SMC comes in a ready to use trigger spray bottle. 1 gallon SMC Concentrate mixes with 4 gallons of water to make 5 gallons. (1 part SMC to 4 parts water).