Dumond Watch Dog® Porous Surface Graffiti Remover is specifically formulated to remove graffiti, spray paint, permanent markers, epoxies, urethanes, crayons, glues, and adhesives easily and effectively from delicate surfaces. In most cases, Watch Dog® All Purpose will remove these in under a minute! This water-based, zero VOC, low odor, non-flammable, and biodegradable product does not contain any methylene chloride, NMP, or caustic chemicals.