... 8% ; 2,Anti-corrosion and anti-bacterial; 3,stain and rust proof; 4,No metallic taste or smell ... times better than metal knife;3, Health and Hygiene: Lead-free, non-toxic, acid resistance, alkali resistance, never rust ... its razor sharp edge and will not wear out.3,No Metallic taste or smell: Ceramic material is ... better services to you. Thank you 3 pieces Ceramic Knife set large quantity in stock