Security uv marker pen permant invisible ink pen with keychain uv black light up ink pens

Product Overview

Description

security UV marker pen set: permant invisible ink pen with keychain uv black light

with its colourless and solvent based invisible ink, it is suitable for writing and marking on almost all surface. as well as being suitable for domestic use, it is also ideal for use in courts, bank, antique shop, and night club.

 

if you have any idea about our product, please be free to contact me!