... ,Blue,Red,Black,YellowWhat's in the box7inch ceramic chef knife x1Cardboard box size33*8*2cm Features1, ... anti-fouling, easy to clean. About Ceramic Knife1, Nanometer level material: Ceramic knives are a relatively new invention and ... very light weight. Density of steel is 7.85g/cm3, Ceramic Knife's is 6.0-6.1g/cm3 ... me if you have any questions. 7 inch Ceramic chef knife in straight ABS Handle