Opticz Blacklight Reactive Invisible Blue Ink All Purpose UV Marker with UV Light

This is that hard to find UV Blacklight Reactive Invisible Ink for hand marking, body art, document marking, or other unique security applications.

Opticz All Purpose Invisible Blue UV Blacklight Reactive Security Ink

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Opticz Invisible UV Blacklight Reactive Fine Tip Ink

Opticz All Purpose Invisible Blue UV Blacklight Reactive Security

Invisible in regular light, glows bright blue in blacklight Choose between 5 sizes discounted by quantity. 2oz, 4oz, 8oz, 16oz, and 32oz. Ideal for

All Purpose Invisible Blue UV Blacklight Reactive Security Ink (32 Ounce Bottle)

Invisible/colorless in normal light. Glows bright blue in UV blacklight. Please note, these markers do NOT glow in the dark. You must have a

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