This Stuff Works TSW41G 1gal Semi Gloss Acrylic Master - 1ct. Case

Clear, water-based acrylic, non-sacrificial, graffiti-resistant coating specifically formulated to provide repeated protection against graffiti vandalism by sealing the surface. For optimum results, airless sprayer application is recommended. For small areas, touch-up or when airless application is not practical, roller and/or brush may be used.