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Invisible Ink UV Marker

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  • Regular price $12.99
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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.

Or 6 weekly interest free payments from $2.16 with what's this?