1.fluorescent marker pen for led writing board 2.Easy to wipe off 3.High ... 4.Water-base without toxic HX Red Fluorescent Marker Pen for Led Writing Board 1.Water-based, dry-wipe prescription. 2. ... with wiper, tissue paper3. High Brightness neon color, Best for indication on mirror, plastic board, Light board, or glass ... in horizontally position. HX Red Fluorescent Marker Pen for Led Writing Board