... Approved Anti-corrosion,anti-bacterial Ceramic Knife With Ceramic Handle:Products detail:Model &Type:CC104-4" Ceramic chef KnifeBlade Material:Zirconium OxideHandle ... proof ,non-adhesion,very easy to cleanNo chemical reaction with the food ,no metallic taste and smellAnti-corrasion, ... wooden cutting board ,Avoid cutting on marble ,stone, glass surfacewash by hand with water and liquid dish soap ,do ...