<b>Doomin's glass measure cup set are made from high quality borosilicate glass, which can be used for storage, cooking and microwaving.<br><br> <b>(1)Multi-Purpose:<br> Easy to read measure indicator and comfort grip handle, great to use as bakeware and prepware.<br><br> <b>(2)Perfect Size<br> 1 Cup (250ml/8oz)<br> 2 Cup (500ml/16oz)<br><br> <b>(3) Safety Choice<br> Microwave, Dishwasher, Preheated Oven, and Freezer safe; lids are BPA free, and top rack dishwasher, and microwave safe.<br> Working temperature: Withstand from -5℉ – 700℉ (-20℃ – 400℃).<br>