8 Multi-Color Highlighter Fluorescent Marker Pen DryErase/LED/WHITE Board. liquid chalk markers are ideal for writing on LED writing boards. However it can also be used on all non porous surface such as glass, whiteboards, windows, metal sheets etc. Ideal for writing on any non porous surface, such as Glass, Whiteboard, LED writing boards, Metal Etc. Dry Erase, Just wipe it off with a cloth or whiteboard duster. Fluorescent Neon Colours – Ideal for LED writing boards. Reversible Bullet / Chisel Tips. Allows you to write either thin or thick.