Amazon.com: edding 3000 permanent marker - 10 bright colors (standard) - round tip 1.5-3 mm - quick-drying permanent marker - waterproof, smudge-proof - for cardboard, plastic, wood, metal - universal marker : Electronics
Amazon.com: edding 300 permanent marker - black, red, blue, green - set of 4 - round tip 1.5-3 mm - waterproof, quick-drying, smear-proof pens - for cardboard, plastic, glass, wood, metal and fabric : Everything Else