Invisible Ink UV Marker

87 % of 100
In stock
Only 10 left
Are you looking for a better way to write your secret messages? How about going invisible!

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. 

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