Microwave safe, Dishwasher safe -> Made of high-strength food-grade borosilicate glass, this glassware is BPA free, sturdy and durable. It’s non-toxic, harmless, lead free and can withstand temperature changes from -20℃ to +150℃. -> Great for any event, durable enough for daily use. These glass coffee cups are the perfect addition to your cappuccino, macchiato, latte, espresso, tea, smoothie and juice.