Use these bistro chalk markers on chalkboards, light boards, windows and windshields. They are a wonderful way to create chalkboard art to attract attention and increase sales. These state of the art markers are also light-fast, meaning they do not deteriorate when exposed to sunlight and they retain the most vibrant white color.Details:White3 markers16 mm tipWater basedErasable with damp clothFor ages 6 and up