10-pack wallet with all available colours of Artline 70 bullet tip permanent marker. Bullet writing width of 1.5mm. Extra strong aluminium barrel makes it crush and crack resistant. Artline 70 marker contains a safe Xylene free alcohol solvent based ink, which is quick drying and water resistant. These markers are suitable for use on most surfaces including paper, cardboard, plastic, metal and glass. Artline 70 markers can be refilled with Artline ESK-20 Marking Ink.