1. Originally designed specifically for Starbucks, it was sold to the North American market last year, with 25000 cups sold out in less than a week; 2. The overall design is bright and lively, bringing a sense of urban fashion to the face; 3. The inner liner is made of Yixing Huanglong Island purple sand mud, which is rich in various trace elements required by the human body, creating a precedent for healthy drinking water! 4. The surface paint of the cup body is an environmentally friendly pearlescent baking paint for automobiles, which is non-toxic, odorless, beautiful, and durable; 5. The unique breathable holes at the bottom of the cup allow the purple sand and porcelain inner liner to form a special gas circulation system with the outside world, effectively preventing the tea cup from boiling, fully demonstrating the humanized design. 6. Imported 304 # stainless steel combined with natural purple sand rich in various elements required by the human body, using unique spiral pattern technology to combine, and unique internal circulation structure to avoid easy cooking of tea leaves