Invisible Ink UV Marker

$6.99
Shipping calculated at checkout.
4.0

Go invisible! 

Are you looking for a better way to write your secret messages?

For those of you who like the secret agent approach to geocaching, we offer the Ultraviolet Felt-tip Marker from our friends at Markal. This marker produces an ink that is invisible under normal light, but glows brightly under a UV or black light!

Looking to read your secret messages?  Click here to see our CacheFire UV Light. 

 

Some features: 

  • Permanent, durable, fast drying and lead-free
  • Xylene free
  • ClipGrip Cap
  • Marking temperature range from -50°F to 150°F

Pen with cap measures about 5.75 inches. 

Customer Reviews

Based on 1 review
0%
(0)
100%
(1)
0%
(0)
0%
(0)
0%
(0)
G
GeoTwoFl
Not a Bad Marker But...

Had an idea for a multicache that required UV light so I bought this to make stage one. Used the marker on different types of paper and wood but you could still see the ink faintly, not requiring cachers to use a UV light. Nothing wrong with the marker itself but I'm not a fan of how it shows up on paper.