SHADOW MAX MULTI-SURFACE PERMANENT MARKER REMOVER is one of five "Graffiti Max" products, each custom formulated for specific graffiti removal needs. SHADOW MAX MULTI-SURFACE PERMANENT MARKER REMOVER is the right choice for the job if you are removing permanent marker from the following "durable non-porous surfaces". GENERAL INSTRUCTIONS: Use hand trigger sprayer. Spray SHADOW MAX MULTI-SURFACE directly on affected area or on to a soft dry clean cloth. Wipe cloth over affected area. A nonabrasive form of gentle agitation may also be used such as a looped Teflon pad. Allow one minute working time. Wipe graffiti off with a damp clean cloth. Repeat process if necessary. Wipe off area with wet cloth to neutralize chemical and stop cleaning action. Finish by wiping affected area with a clean dry cloth. Clean up all equipment after each use with water.