PLEASE NOTE: DIXON HAS DISCONTINUED MANUFACTURING THESE PENCILS. We do have a limited quantity still available. After they are gone, the only substitute we have for them at this time is the Staedtler® Lumocolor Omnichrom Marking Pencil. When you use that link, you will be changing to our other website, www.cspoutdoors.com. Makes a smooth white mark. Great for writing on plastic, photos, film, X-ray plates, glass or other surfaces. Marks are removable with a damp cloth. PMA certified non-toxic. Packed 12 to a box. Made in the U.S.A. These pencils will not scratch the marking surface and can be removed easily with a damp cloth. Ideal for film editors and X-ray technicians. PMA certified non-toxic. Packed 12 to a box. Made in the U.S.A. 13201$6.50, 12/$72.00 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 488 or Internet Sales.