This set of classic Gelly roll pens from Sakura feature White ink and come in 3 assorted nib sizes; fine .5mm, medium .8mm, and bold 1.0mm. The unique gel ink is waterproof, fade resistant and chemical proof. These are the perfect pens For use with dark or colored papers, or to add highlight to artwork. It will not smear, feather or bleed through most papers. Use for card making, scrapbooking and other craft projects.