3pcs knife set material:ceramic pp handle dishwasher safe Specifications1.made of Zirconium; ... sharp; 3.No rusted and discoloration; 4. white Ceramic knife 5,LFGB,EU,SGSCeramic Knife – High Density ZirconiaItem ... 1,Refining made by Zirconium ceramics materials which called “ceramic steel”, have the properties as sharp-edged, wearable, ... and flavor, enjoy the gourmet flavor! zirconia ceramic knife set