These markers feature sharp, durable nibs and contain a generous ink supply for multiple projects. Odor-free, xylene-free, non-toxic. Water-based pigment. Ink is water-resistant when dry and conforms to ASTM D4236. Invitations, announcements, greeting cards, signs, awards, and certificates take on an elegance when these markers are used on either light or dark paper-also writes on most glossy papers. 3 markers in package: silver, gold, and copper.