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 : Sharpie 30002 Fine Point Permanent Marker (Pack of 6), Marks On Paper and Plastic, Resist Fading and Water, AP Certified, Red Color, 12 Markers Per Box, Pack of 6 Box,
Amazon.com: edding US: Permanent markers and pens
Amazon.com: Edding 4-400-4 Permanent Marker Assorted Colours Pack of 4 : Toys & Games