1.Material:The cup body is made of high quality crystal glass tube,with high transparency,wear resistance,smooth surface,easy cleaning,health and hygiene;
2. Process: After being fired at 640°C, it has strong adaptability to temperature changes, and the instantaneous temperature difference is -20°C-150°C,which is not easy to burst
3. Hygiene； food-grade standard, can hold 100 degrees high temperature hot water，tea， carbonated，fruit acid and other beverages， anti-malic acid erosion，no odor and no odor
4. Suitable for brewing coffee， suitable for drinking tea， green tea, black tea， Pu'er tea， flower tea， craft flower tea， fruit tea， etc