Cup agrave; coffee to Double Wall Stainless Steel---Made of high quality stainless steel, durable and unbreakable. BPA-free, lead-free, kids and adults can use it with peace of mind. BPA-free screw, with silicone seal to prevent water leakage. It can keep your drinks safe. and has a lid with a lid. Splash-proof flap for comfortable drinking, just open the drinking hole. The square design inside and the outer circle of the lid make it easy to open. Twist to open for quick filling and easy cleaning Non-slip handle and bottom design: The matte silicone cup body not only makes the thermos mug look stylish, but also provides also a secure and comfortable grip. And the rubber bottom helps to prevent the cup to coffee to slide and tilt. Also, the bottom diameter of the cup is 70mm, specially designed for in-car use empty makes the cup empty. coffee reusable keeps beverages cold or hot until cold. 6 hours Functional Style: Store your leak-proof, leak-proof insulated mug in your bag, duffel bag or backpack. back or suitcase without worrying about spills or leaks. Take it wherever you go. you want to go, to the office, to school, while traveling, at parties, etc. Enjoy the beautiful day and the good drink