
Invisible Ink UV Marker
$6.99
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Shipping calculated at checkout.
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.