10mm Highlighter Fluorescent Liquid Chalk Marker Pen 6 Colors/set for LED Writing Neon Menu Flashing Board by Autolizer Fluorescent markers, it's actually liquid chalk and glass markers, it can use in markerboards, fluorescent marker boards, chalk markers, glasses and windows! These eye-catching colors give you the ultimate in creative expression. Make your menu's word Colorful and Shiny! It works as same as normal marker, and dry quickly and becomes bright solid color! Non Toxic and Odorless! Simply use a dry or damp cloth to wipe the chalk away without any smearing, streaking, smudging or messes 6 Colors: Yellow, Green, Blue, White, Pink, and Purple. Hassle Free - 90 DAYS MONEY BACK GUARANTEE by purchase with Autolizer!