Product description: 1. High temperature resistant high borosilicate glass material, with good heat resistance, crystal clear, not only can taste the toon of pure coffee, but also see the pure beauty of coffee extraction. 2. Easy to clean, just one flush 3. After freezing, take it out of the refrigerator and pour in boiling water without cracking 4. Rounded cup mouth, insulated handle Product specifications: Material: high borosilicate glass Heat resistance temperature: -20℃-150℃ Capacity: 350ml Size: 7.5cm*8cm Packing: white box + bubble bag Package Include: 1*coffee cup+ glass plate Notice: 1.Due to the light and screen difference, the item's color may be slightly different from the pictures. 2.Because of the different measurement methods, there may be 1-3cm of the allowable range error. Please understand. Make sure you don't mind before you bid. Have a nice day! High temperature resistant high borosilicate glass material, with good heat resistance, crystal clear, Easy to clean, just flush After freezing, take it out of the refrigerator and pour in boiling water without cracking Rounded cup mouth, insulated handle, not only can taste the toon of pure coffee, but also observe the pure beauty of coffee extraction.