Kearing Blue Ink Permanent Invisible Marker Pen only Visible under UV Lamp for Secret Marking#UVP10-B

Description:

This invisible ink pen is used to detect, identify, and return stolen property in the event of a burglary. Each invisible ink marking pen contains invisible permanent ink. It's safe and reliable and easy to use. It has a hard tip point which is superior to the felt tip which tends to fray and get out of shape. This products marks on all surfaces including glass, paper, wood, plastic and cloth and is invisible to the naked eye.

Applications:

1. Used for quality inspection and secret-marking.

2. For permanent marking,drawings can't be easily and quickly erased by water

3. Conforms to ASTM and EN71quality standard.

4. Note: can not be used for kids under 3 years old

5. Replace the cap in time after use!