GRAFFITI GONE contains blended solvents for removing most graffiti markings found in public places. Markings found on restroom walls, road signs, billboards, sidewalks, pavements, bridges, buses, trucks and buildings are easily removed. This product will not harm aluminum, steel, glass, concrete, porcelain, brass, chrome, marble, brick and most enameled surfaces. Be sure to pre-test in hidden areas for surfaces susceptible to solvent damage such as plastic, painted surfaces, rubber, asphalt tile and other synthetic surfaces. This formula is authorized by the USDA for use in federally inspected meat and poultry plants. DIRECTIONS FOR USE: Shake can well. Pretest on hidden area as indicated above. On smooth surfaces, spray directly on surface, allow solvent to react with markings and wipe away. On rough surfaces, spray directly on surface, use brush to remove markings and dry with cloth.