Invisible and colorless in normal light. Glows bright red blacklight. 3 Full size XL markers per set. Extra large body with broad tip. Contains twice
Set of 3 DirectGlow Extra Large Invisible Red UV Blacklight Reactive Ink Marker Pen 3 Pack
Versatile, Compact invisible ink pen Options
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Safe for skin when used as directed; enjoy making unique and cool designs that will really pop under any Ultraviolet light or utilize for security
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