Letter It Metallic Markers are opaque, permanent, paint-like markers. The fine tip nib makes it easy to write, journal, and doodle on multiple surfaces. Add a rich, radiant, metallic shimmer to all your paper crafting and hand lettering projects. For use on both light and dark surfaces. Permanent on porous surfaces. Acid Free. Non-Toxic. Available in a set of 5 assorted colours.