ITEM NAME:4pcs Office Drawing Magic Highlighters UV Invisible Ink Pen Highlighters #gib Store Home Promotion Hot Item Add to Fav.4 X Invisible Ink Highlighters. In general, the world written with invisible pen is cannot be seen, only use the UV light, you can see it. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures.
