promotional item,stain and rust proof ceramic knife; 2,Heathly,Hygince and anti corrosion; 3,Certificate:SGS, FDA,LFGB ; Item No.: YTS-393Model:4"/5 ceramic knife setBlade Material: zirconium dioxide (ZrO2; also known as zirconia)Blade Colour: white, black, and coloured blades available Beautiful promotional itemHandle Material: ABS+TPR,TPV,Anti-Slip,TPESize Available: Packing:1 pc/gift box or as ...