1 Shot Graffiti Remover is a 100% biodegradable and all-natural cleaner removes grease, spray paint, tar, markers and pencil from hard surfaces. It cleans mold and mildew from tiles and grout, too. Non flammable, no harsh fumes or acids. Exceptional vertical cling and dwell prevents dripping and running and restaining. Eliminates Calcium Chloride buildup, safe on marine, autos and RVs. VOC compliant and non-toxic!