... high safety and strength ,eco-friendly any design available Toughened glass plate*dishwasher,microwave safe*high safety and strength , ... can withstand rapid heating and cooling with arange of 180 degree.Jiayuan 3mm toughened glass is lead-free, chrome-free , ... for its safety and strength,are also called toughened glass,unlike annealed glass, tempered glass breaks into small,square pieces .when broken, ...