Opticz Blacklight Invisible Blue Ink All Purpose Metal UV Marker

This is that hard to find UV Blacklight Reactive Invisible Ink for box marking, document marking, and other unique security applications. Only visible under black light. Ink is water proof and very difficult to remove. Best viewed in dark or shaded area. Opticz Blacklight Reactive Invisible Printing Inks are suitable for paper marking as well as non-pourous material marking.

Opticz All Purpose Invisible Blue UV Blacklight Reactive Security Ink – DirectGlow LLC

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 blacklight to get the glow effects. Extra large body with broad tip. Contains twice the ink as our standard sized markers! Safe for use on skin. Use for security marking (such as admissions) or create amazing invisible body art designs that glow in blacklight! These are the markers you want for semi permanent invisible marking.

Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker Blue

Directglow Black Light Invisible Blue UV Ink Security Kit for Secret Marking Hand Stamping Ultraviolet Detection club Kit

Opticz 4 Ounce All Purpose Invisible Blue UV Blacklight Reactive Invisible Ink

Only visible under black light. Glows bright BLUE under blacklight. Normal light (sunlight or white light) can make the effect less obvious to

Opticz Blacklight Invisible Blue UV Ink Hand Stamping Marking Set (Economy Kit)

Opticz All Purpose Invisible Blue UV Blacklight Reactive Security

Opticz Invisible UV Blacklight Reactive Fine Tip Ink Marker

OPTICZ Jumbo XL Blue Red Yellow UV Blacklight Reactive Invisible Ink Felt Chisel Tip Marker Pen (Blue) - Yahoo Shopping

Opticz XL Invisible UV Blacklight Reactive Large Tip Ink Marker – DirectGlow LLC

Opticz Blacklight Reactive Invisible Blue Ink Mauritius