Create vibrant designs on chalkboards, light boards, windows, and windshields with these fluorescent and bright-colored markers. They are opaque, water based, and erasable with a damp cloth when dry. Bristo Chalk Markers are offered in a variety of colors and sold individually. Available in 3 different tip styles: Chisel Point, Fine Point (3 mm) and Broad Point (6 mm). Sold as PACK OF 12.