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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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Text visible under ultraviolet light. Fashion and personalization. 1 UV invisible light pen. The actual color may be slightly different from the image

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