The edding permanent marker has a line width of 1-3mm for permanent marking of all surfaces including: Metal, plastic, wood, glass, foil, porcelain, rubber, leather, stone, ceramics or coated paper. The opaque ink is fast-drying and smudge-proof. The durable pen markings last permanently both indoors and outdoors and can be used without shaking or pumping. Suitable for many industrial applications, these high quality, opaque white markers are supplied in a folding box of 10.