Remove up to 300 square ft. of graffiti off painted & smooth surfaces with 32 oz of Tagaway. Remove up to 1300 square ft. of graffiti off painted & smooth surfaces with 1 Gallon of Tagaway Remove up to 6,500 square ft. of graffiti off painted & smooth surfaces with 5 gallons of Tagaway. Great for removing graffiti off painted and smooth surfaces like painted walls, desks, lockers, bathroom areas, whiteboards, postal boxes and more!