invisible ink pen With an invisible ink refill, which is readable only with the light on the top

invisible ink pen

Features:

1) Invisible ink refill

2) Invisible ink is readable with the special light at the end of the pen

3) Applications: amusement, secret messages, invisible tattoos, drawing in the darkness, personalized objects, highlighter and anti-counterfeiting

Money detector pen, anti-counterfeiting pen,UV pen,Universal Counterfeit Money Detector Pen,MOney tester pen,Invisible ink pen

invisible ink pen