1. The cup body is made of imported food grade material (transparent PC), with strong toughness, resistance to falling, effective protection of the inner liner, and longer product service life; 2. The inner liner is made of high-quality Jingdezhen blue and white porcelain, which is fired at high temperature and contains rich mineral elements such as calcium oxide, magnesium, and iron that are beneficial to the human body. This product has been tested by the "China Center for Disease Control and Prevention" to have a bactericidal rate of up to 99.87% against Staphylococcus aureus and Escherichia coli (antibacterial effect); 3. The inner blue and white porcelain has a unique "self-cleaning" function, which is less prone to dirt and more convenient to clean; 4. The unique design of the liner bakes traditional Chinese blue and white, Paper Cuttings patterns. The crystal clear PC and the ancient art on blue and white porcelain perfectly interpret the traditional Chinese art from afar