FHC Glass Marker not only writes on glass and paper, but also on metal, plastics, ceramics, porcelain, stone, film, painted or lacquered surfaces, and just about any other glossy surface. They are erasable from paper and marks will wipe off of glossy surfaces with a damp cloth. Used by more glaziers than any other marking pencils.
Paper-Wrapped | Works well on Film, Glass, Metal Plastics and Wood | Marks are Water Resistant and Colorfast | Vivid Colors | Non-Toxic