All Purpose Invisible Blue UV Blacklight Reactive Security Ink (8 Ounce Bottle)

Invisible in regular light, glows bright blue in blacklight. The colors really pop in ultraviolet light but are undetectable in normal light. Choose

8 Ounce Bottle: Opticz Industrial Invisible Blue Uv Blacklight Reactive Ink (8 Ounce Bottle) - Buy Online - 471061151

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Opticz All Purpose Invisible Blue UV Blacklight Reactive Ink (8 Ounce Bottle) : : Office Products

Opticz UV Blacklight Reactive Invisible Blue Ink Hand Stamping Document Marking Security Kit (Starter Kit) : : Office Products

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Kit includes the following:(1) 4 ounce bottle of Opticz brand Blue Invisible Ink (1) UV LED Keychain Blacklight (1) Stamp Pad (1) X Rubber Peg Stamp

UV Blacklight Reactive Invisible Blue Ink Hand Stamping Document Marking Security Kit (Starter Kit)

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