The Prestige stone quartz knives have a smart anti scratch black and cream speckle on the blades for lasting non stick performance. Taper ground precision blade - easy to sharpen, Ultra durable stone quartz non stick, PFOA free, Stain and rust proof Please note you need to be over 18 to purchase this item. This means we are only able sell this item instore or for store collection. If you do purchase the item for store collection, we may ask you to present proof of age instore.