Sakura gelly Roll White pens now available in 0.5 mm,0.8 mm and 1 mm tip. Features • Rollerball pen with water based gel ink, acid free, water, fade and chemical proof • Archival quality ink, no smears, feathers, or bleed-through on most papers. • Meets ACMI non-toxicity standards. Application • Ideal for writing on black or dark papers • Use for doodling, craft work, zentangles, drawing Application • Ideal for greeting cards, scrapbooks, black light art and more. • Sensationally Brilliant Colors on dark-color papers and photos.