KAWA 7-Inch Professional Premium Ceramic Chef's Knife Gift Set, Black Blade Mirror Finish Extremely durable and ultra-sharp 7-inch ceramic chef's knife with Mirror Finish black blade, perfect for kitchen work such as slicing and dicing various foods. Stays sharper longer - Forged from zirconia (ZrO2), a material second only to diamonds in hardness, the premium ceramic knives retain their cutting edge 10 times longer than traditional steel blades. KAWA Premium Ceramic Knife will not rust, stain, or oxidize and is resistant to acids, oils, and bacteria. Lightweight and perfectly balanced ergonomic handles for a steady, controlled grip which reduces fatigue during repetitive cutting and make chopping, mincing and dicing easier than ever before. Rounded tips to prevent accidental cuts, Easy-to-clean and dishwasher safe.