... ,eco-friendly *custom-made tempered glass bowl for microwave safe*dishwasher,microwave safe*high safety and strength ,eco-friendly*any design ... called toughened glass,unlike annealed glass, tempered glass breaks into small,square pieces .when broken, this makes it less likely ... it.Huaxu toughened glassware are the ideal products for microwave oven ,dishwasher and sterilizer.Zibo huaxu glassware co.,ltd ...