This chalk marker is great for use on chalkboards, dry erase boards, light boards, windows and windshields. Create dynamic signs, temporary labels and fun memo boards. It erases from most non-porous surfaces with a damp cloth.Details:Fluorescent blue, fluorescent green, fluorescent yellow, fluorescent pinkExtra fine angled chisel tip4 markersOpaque, water-based pigmentErases from most non-porous surfaces with damp clothAP certified