【Double-layer Stainless Steel Coffee Cup】The Insulated coffee mug is made of high-quality stainless steel, it is sturdy and durable, and keeps the beverage without peculiar smell. The detachable lid makes it very easy for you to keep your new travel mug clean & hygienic. 【Leakproof and Splash-proof Lid】BPA free screw lid, along with the silicone seal ring avoid water leakage. It has a splash-proof flip-lid for convenient drinking, just need open the sip hole. Inner square and outer circle design of the lid make it easy to open. 【Non-slip Grip & Bottom Design】Matte, silicone cup body not only make the thermos mug looks elegant, but also offers a comfortable way to hold. And the rubber bottom helps to prevent the coffee mug from sliding and tipping over. Besides, the bottom diameter of the cup is 70mm, special designed for car usage. 【Functional Style】Pack your leakproof and spill-proof insulated mug in your bag, backpack or suitcase without any worrying about spillage or leak. Take it anywhere you want go, to office, school, travel, parties, and etc. Enjoy the nice day and nice beverage！ 【After Sales】If you encounter any problems at the time of purchase or after receiving the package, please contact us in time. We will be very happy to solve your problems.