... SGS,ISO9001 3.High resistance to wear 4.Trendy,Fashion,Healthy 5.Non-stick surface ceramic knife with sheath ,White blade and zirconium oxide ... zirconia)2.Blade color:white (matt finish)3.Blade size:3 inch,4inch,5inch,6inch4,Knife set with sheath. Ceramic Knife: hardness of our ... .Blade high in density, chemically inertwill not rust and do not react with acidic, food keep its original taste. No metal ...