1.Stronger enough to use in microwaves,ovens,dishwashers, freezers, etc. 2.Free from lead and cadmium, 3.Easy to wash. Our ... knife scratches, and can be used in ovens, dishwashers, microwaves, freezers, etc. Additionally, we designed special protected-edges on the porcelain ... to guard them from daily-use.3. SafetyOur porcelain is free from lead and cadmium and other physically harmful elements. It ...