The inner liner is made of 304 material, with electrolytic passivation treatment on the inner side, making it easier to clean; 2. Unique and new filter screen and anti-scald ring, fashionable and beautiful; 3. The lid is made of food grade PP plastic and silica gel, which is safe, hygienic, high temperature resistant and anti-aging; 4. Large caliber, smooth and thick rim, safer to use, and more convenient to clean; 5. Stylish and concise appearance, highlighting high-end quality; 6. High vacuum technology has a longer insulation time, excellent materials and workmanship, excellent quality assurance, double layer insulation, and significant insulation performance.