Under normal temperature conditions, the water temperature can be maintained at 55 degrees Celsius for 6 hours (the national standard is 42 degrees Celsius). Imported 304 stainless steel has a built-in tea separator, which is convenient for drinking tea and can be freely disassembled, making cleaning more convenient; The inner core is formed in one piece, without welding fine seams, and the inner wall is electrolytically ground to form a protective layer that is not easy to accumulate scale. The outer wall is processed with advanced copper plating technology, with high quality; The cup lid is made of food grade PP material and food grade silicone material, which is safe and healthy, absolutely watertight, and provides longer insulation.