SiCoHome Highlighter Fluorescent Liquid Chalk Marker Pen 8 Colors/set for LED Writing Menu Board Glass (10mm) Chalkboard Ink, Dries fast like real chalk Color: Yellow, Green, Red, Blue, White, Pink, Orange, and Purple Chisel tip for fine line 10mm wide strokes It can be used for decorating and writing on glass, windows, board and all non-porous surfaces. Fluorescent Markers Clean easily with a damp Cloth