China markers are versatile enough to use on almost any porous or non-porous surface including glass, plastic, film, paper, metal and rubber. Removable from porous surfaces. Self-sharpening as each pencil is wrapped in paper with a tear string. Available in a 2-pack including black and white or 12-packs of black or white. ***Please note: the items below are only stocked at our warehouse for online orders (or phone orders with Customer Service). Product can also be purchased through any of our retail stores as a customer order. Some conditions may apply and turnaround time will vary.