Specifications of chef knife 1,Silicon Handle very health and soft 2,Super hardness 3,Suitable for dishwasher 1 Zirconia ceramic knife is made ... ", 6", 7" ceramic knife A seriesBlade Material: zirconium dioxide (ZrO2; also known as zirconia)Blade Colour: white,Handle Material: ABS+TPR handleSize ... color and flavor, enjoy the gourmet flavor! zirconia ceramic chef knife and paring knife with ABS handle