... ,Fashion,Healthy 5.Non-stick surface ceramic knife with sheath ,White blade and zirconium oxide Ceramic knife ... Blade size:3 inch,4inch,5inch,6inch4,Knife set with sheath. Ceramic Knife: hardness of our ceramic ... blade would. Ceramic knife blades will not react with your food or turn your food brown because ... do not react with acidic, food keep its original taste. No metal taste and smell. Cautions:1.Do ...