Our Opticz brand invisible UV ink has been a trusted go to source from every day casual users to large corporations for 12+ years! Manufactured and distributed by DirectGlow exclusively, you will be hard pressed to find a comparable ink that outperforms our brand in quality or cost. All purpose Opticz invisible UV blac
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Invisible Uv Reactive Paint
Invisible in regular light, glows bright blue in blacklight. The colors really pop in ultraviolet light but are undetectable in normal light. Choose
Opticz All Purpose Invisible Blue UV Blacklight Reactive Security Ink (4 Ounce Bottle) : Office Products
Opticz All Purpose Invisible Blue UV Blacklight Reactive Security Ink (4 Ounce Bottle) : Office Products