DETAILS: Sharpie? Industrial Permanent Marker ? Sharpie??Permanent on most hard-to-mark surfaces ? AP Certified nontoxic Permanent black ink resists most chemical washes, ultra-violet light and extreme heat or steam (up to 500?F) on metal, foil, glass, film and plastic. Fine Point SOLD AS: Dozen STOCK NUMBER: 13601 UPC: 071641136014