1.⁠ ⁠Products made of Tritan material will not release BPA during use and comply with health requirements. 2.⁠ ⁠The water cup uses food-grade silicone cup mouth and silicone straw. The bottle cap is made of PP material and has a silicone gasket inside for good sealing. 3.⁠ ⁠The fragrance ring design improves the habit of drinking drinks. Through the stimulation of the brain by fragrance, people can fall in love with drinking water without the risk of obesity due to excessive energy intake! 4.⁠ ⁠Designed with a variety of scent rings that can be replaced at will, this water bottle can make drinking water a fashionable and healthy behavior.