Invisible Ink Pen With Uv Penlight Black Light

US $7.95

  • Naperville, Illinois, United States
  • Jan 30th
In this set you get one invisible ink pen, writes on a variety of surfaces and is invisible and is revealed under a black light which we are including our penlight UV light.Very bright with clicky on off button and pocket clip. USES 1 AAA battery (not included) Not Intended For Skin Marking. Important note regarding INVISIBLE INK. Invisible Ink uses phosphorescent material which is what makes it glow under a black light. Some copier papers use optical brighteners which is very similar and may obscure the ink. Hint: If the material you are writing on is already fluorescent then you may not be able to see the ink.

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