... of packaing style Specifications1.CERAMIC knife set made of Zirconium; 2.Health,Hygiene,hard and sharp; 3.No rusted and ... discoloration; 4. white Ceramic knife 5,LFGB,EU,SGSCeramic Knife – High Density ... ceramics materials which called “ceramic steel”, have the properties as sharp-edged, wearable, rust proofed, Health and Environmental Protection. ...