Aervoe 15 Ounce Survey Marking Paint Hi-Vis Yellow (Case of 12) 208 12 Cans in a Case 17 Fl. Oz. each Mark is visible for up to 6 months depending on traffic and exposure Patented spray-through cap can be left on or easily removed Adheres to almost any surface, including wood, concrete, asphalt, brick, and gravel The Aervoe paint is a water based paint.