Sherlock Hones Invisible Ink Pens Party Pack Comes in 3 INK COLORS! Awesome Secret Message Writing! A Set of Disappearing Ink Pens with UV Black Lights on Keychains

These UV ink markers 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, or just plain fun! Each marker is filled with our special blend of UV ink, so you get long lasing special UV effects. These markers are among the brightest available. 100% satisfaction guaranteed! Each marker measures about 6 inches in length and is non refillable. Colors go on invisible, but show brightly in UV blacklight. Each set purchased includes 4 blue, 4 red, and 4 yellow invisible UV markers and 4 mini UV pinch lights that illuminate the ink.

Water Resistant: The ink is water resistant and can be used on a variety of surfaces.
Multi-Color Assortment: Comes in a set of 12 assorted colors including blue, red, yellow and more.
Fine Point: Features a fine point tip for precise application and gliding on the page.
UV LED Light Compatible: The ink glows under UV light for fun glow-in-the-dark effects.
Security Grade: The ink is very tough to remove and is non-toxic for safe use.
Water Resistant: The ink is water resistant and can be used on a variety of surfaces.
Multi-Color Assortment: Comes in a set of 12 assorted colors including blue, red, yellow and more.
Fine Point: Features a fine point tip for precise application and gliding on the page.
UV LED Light Compatible: The ink glows under UV light for fun glow-in-the-dark effects.
Security Grade: The ink is very tough to remove and is non-toxic for safe use.

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DirectGlow 12 Invisible Ink Markers & 4 UV LED Lights UltraViolet Blacklight Pens Blue Red Yellow Assorted;