Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Blue

This UV blacklight reactive blue invisible ink large tip marker/pen uses high quality permanent invisible ink. Perfect for identification marking,

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.

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DirectGlow Invisible UV Blacklight Reactive Pen Ink Marker (Blue, 1 Marker) : Permanent Markers : Office Products

Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker, Blue

Our Opticz brand UV blacklight reactive invisible ink markers use high quality invisible water based ink for outstanding blacklight effects. Perfect for identification marking, body art, and other stealthy security uses. Safe for skin too! Perfect for metal, glass, plastics, paper. Totally invisible, won't wash off easily, and is only visible under blacklight. These are the markers you want for for invisible, only visible in blacklight marking.

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