Description:
 
Roller-ball pens, water based gel ink, acid free, water, fade and chemical proof 
These pens contain luminous gel ink that glows under black light and is brilliantly opaque on black or white paper.
Smooth-writing, very dense ink and constant ink flow from start to end.
The 0.5 mm tip gives a creamy, smooth, consistent bold line that won't bleed through on vellum and most papers.
Meets ACMI and ANSI standards
Ideal for greeting cards, scrapbooks, black light art and more.
Sensationally Brilliant Colors on dark-color papers and photos.