Blacklight Reactive Invisible UV Ink Marker Pen Large 3 Section Blue Red Yellow

Featuring our classic 3 bright blacklight responsive colors of blue, red, and yellow, this invisible ultraviolet ink marker is an all in one solution. Each individual section measures 2.25 inches and is packed with our premium water based ink. Skin safe and applies easily to any porous surface. Perfect for recreational uses like secret messages, glow parties, UV body art, escape rooms, ultraviolet room decor, grab bags, birthday parties or general special blacklight effects.

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