Our general-purpose invisible UV ink goes on invisible and glows blazing bright blue in UV blacklight. Alcohol based and designed to dry fast; this ink is ideal for a variety of security purposes as well as casual fun use. Won’t gum up and become sticky like traditional marking inks. Great for admissions, discreet identification, secret messages and glow parties, our invisible blacklight glowing ink is an all-in-one solution.
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DirectGlow 12pc Invisible UV Blacklight Glow Ink Marker Pen Set with 4 UV Lights
This invisible UV blue ink marker by DirectGlow is completely invisible in normal light and glows incredibly bright in UV blacklight. Write a secret
DirectGlow Invisible UV Ink Marker Pen with Ultraviolet LED Keychain Blacklight
Directglow Set of 3 Invisible UV Blacklight Ink Markers Blue Red Yellow With UV Lights
Opticz 4 Ounce All Purpose Invisible Blue UV Blacklight Reactive Invisible Ink
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Our DirectGlow brand ultraviolet reactive invisible ink markers use our premium water based formula for outstanding UV glow effects. Ideal for secret
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