Product Name:classical balde ceramic kitchen knife 1.Model No: CKW456P052.Blade Length : 4/5/6" 2.Blade Material : Ceramic (zirconium oxide) 3.Blade color: White or Blade color 4.Handle Material : Rubblized Soft Grap (ABS handle with TPR coating) 5.The handle is pretty comfortable to hold. Ceramic cutlery is becoming very popular in kitchens across the world. Ceramic knives are made out of a high-tech ceramic called zirconium oxide (ZrO2), a material second in hardness only to diamond.This hardness translates into an edge that will not roll or pit likes steel edge. Ceramic knives hold their edge up to 10 times longer than conventional steel blades, therefore offers extra durability. Our knives have undergone an additional polishing process giving a professional and elegant look. Advantages: Wear resistant & extremely durable. Deathly sharp & stay sharp for years. Easy to clean to prevent bacteria growth. Blade high in density, chemically inertwill not rust and do not react with acidic, food keep its original taste. No metal taste and smell. Care Instruction Do not use knife on stone chopping block. Do not use to chop of pry as this may chip the tip of knife.or the blade to break free from the handle. Blade is very sharp. Please prevent children from touching. Do not sharpen the blade with traditional sharpener. Ceramic knives should be hand washed with mild detergent. They can be stored in a knife block or a knife sleeve