LEAK-PROOF DESIGN: The coffee tumbler lid is equipped with a sealing silicone that prevents liquid from spilling. The rubberized design on the bottom prevents the coffee cup from slipping or tilting. Whether it's coffee, tea, juice or milk, this insulated mug can be easily stored to meet your various beverage needs FOOD GRADE STAINLESS STEEL: Made of food grade stainless steel for durability and BPA free, so every drink is assured INTELLIGENT TEMPERATURE DISPLAY: The built-in temperature display function allows you to know the temperature of your drink at any time, whether it's an icy drink on a hot summer's day or a hot drink on a cold winter's day, it will be just right HEAT PRESERVATION AND COLD PRESERVATION, SUITABLE FOR ALL SEASONS: Adopting advanced heat preservation technology, the coffee travel mug can maintain the temperature of hot drinks for 4-6 hours and cold drinks for 6-8 hours at the longest, so that you can enjoy every moment of wonderful taste CONVENIENT TO CARRY: The well-designed size easily fits into most car cup holders, allowing you to carry it anywhere Notes: 1.It is prohibited to heat the travel mug in open flame, induction stove, microwave oven and dishwasher 2.Do not add dry ice, carbonated beverages, soy sauce, soup, etc. to the insulated coffee mug 3.When cleaning, please use neutral detergent in warm water 4.When not in use for a long time, please keep the insulated coffee mug with lid clean and keep it dry sufficiently