ecoWRITE Gel Color Pens - 48 Pack (22148) Ideal for arts and craft projects, scrapbooks, card making, nail art, tattoos The 48 pack comes in two convenient and compact carrying cases; each case has an integrated pop-up pen holder tray for easy access Archival quality ink means the ink flows just as smoothly as your creative ideas and will not fade over time Soft rubber grips so you can design comfortably for hours Non-toxic and acid-free, archival quality ink; conforming to ASTM D-4236 standards