Ceramic peeler Blade Materials: zirconium oxide Handle Options: ABS 1.Ultra-sharp Long Life Blade Its performance can make you amazing with slicing meat as thin as a piece of paper. Ceramic knife is made of zirconium oxide,which is very hard material,it ranks 8.5 on the Mohs scale of mineral hardness,compared to 6 or 6.5 for hardened steel,and 10 for diamond,giving a very hard edge that rarely needs sharpening. 2.Hygiene 1) stain and rust proof, Resistance to corrosion of various acid or alkaline organic substances. 2) No metallic taste or smell, it won't react with the acid and alkali substance in the food,therefore keeps the food quite fresh. 3) Non-porous surface will not let bacteria infiltrate the blade, 3.Cleaning easier, smooth surface that food does not stick to 4.Easy to use-Lightweight: make you feel easy and comfortable even in quite long time usage. .Use and care advises 1) It is used to slice up and cut through boneless meat,vegetables and fruits. 2) Use a wooden or polypropylene cutting board as cutting support 3) Do not use on earthenware, glass or porcelain surface 4) Avoid any shock on hard surface 5) Do not use for other function than cutting (screwdriver, bottle-opener, tin-opener, lever and so on) 6) Do not cut hard, frozen or boned food 7) Resharpen if necessary with a ceramic sharpening steel 8) Wash by hand or in a dishwasher 9) Store in a protected compartment (block or original box)