Security Marker Light Pen UV Invisible Ink Built Ultra Violet LED

UV Invisible Ink Security Marker Light Pen Built in Ultra Violet LED Black Light. Invisible ink pens are great for marking all kinds of surfaces and applications, especially paper. 1 x Invisible Pen.

These UV ink markers by Direct Glow are completely invisible in normal light, but illuminate incredibly bright in UV blacklight! Use these markers to implement security procedures, secretly mark your valuables, write hidden messages, artistic application, highlight your next glow party, or just plain fun! Each marker is filled with our special blend of UV ink, so you get long lasing special UV effects.

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