Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker Pen

DirectGlow Extra Large Invisible Blue UV Blacklight

Opticz UV Blacklight Reactive Large Tip Invisible Ink

Opticz UV Blacklight Reactive Large Tip Invisible Ink

Invisible Marker

Opticz UV Blacklight Reactive Large Tip Invisible Ink

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 Blacklight Invisible Blue Ink Industrial Metal UV Marker

Uv Ink

DirectGlow UV Blacklight Reactive Large Tip Invisible

Body Marker Pen

DirectGlow Invisible UV Blacklight Reactive Ink Marker with

These Extra Large Jumbo Blacklight Markers use our signature blend invisible UV ink that is undetectable to the eye under normal conditions but glows brightly under black light. Each set includes 3 markers; one in each color and a rechargeable USB Keychain flashlight. Use them for secret spy messages, admissions, escape rooms, glow parties or for security. Safe for skin when used as directed.

Opticz Jumbo XL Blue Red Yellow UV Blacklight Reactive Invisible Ink Felt Chisel Tip Marker Pen (Multicolor)

Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Blue

Invisible Ink Pens

Blacklight Reactive Invisible UV Ink Marker Pen Large 3 Section

Invisible Ink