This invisible ink pen with fine point marker is loaded with special ink that is only visible under UV light. Refills are transparent, the shell color include purple, yellow, rose red, blue, green, red, black. There is an ultraviolet lamp on the t
UV Light Pen Invisible Ink. Invisible/Secret ink pen & built in UV light. You can write or draw on skin but we do advise you to test it out on a small
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This elegantly click action ballpoint pen features gold accents, it comes in blue or white. Its high elegance with definitely be an eye catcher. This
Custom Imprinted Plastic Collection Classic Push Action Ballpoint Pen - | Pens - Up to $1.00
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Opticz XL Invisible UV Blacklight Reactive Large Tip Ink Marker