Permanent Ultra Violet Security Kit Invisible Ink ✓Marker Pen✓Stickers✓UV Light

Markings are invisible under normal light conditions and fluoresce under Ultraviolet 'Black light'. • 1 x permanent 'invisible' marker pen with high quality UV ink that isn't easily rubbed off unlike inferior pens.
Markings are invisible under normal light conditions and fluoresce under Ultraviolet 'Black light'. • 1 x permanent 'invisible' marker pen with high quality UV ink that isn't easily rubbed off unlike inferior pens.

Opticz UV Blacklight Reactive Large Tip Invisible Ink

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