Smart Temperature Display, No Scalding! The perfect travel coffee mug with a capacity of 510mL, easy to hold, great size, and fits in the cup holder in a car and handbag. This thermal mug is ideal for storing anything hot and cold, from juice to cocktails, to coffee, to champagne, to sodas, to beer, to a variety of teas and other beverages! This coffee mug is also a good idea for business gifts and family gifts! Features: Keep Drink for Long Times: The coffee tumbler is designed with double-walled and vacuum insulated, keeping the coffee/drink hot or cold for hours, from 6 hours up to 12 hours. A nice day starts with a cup of coffee. High-Quality Material: Double wall vacuum coffee mug, which is made of high-quality food-grade stainless steel, no worry about oxidation and corrosion, won"t leave a metal?taste or rust easily, and will not change the taste of drinks. Temperature Display: With a smart temperature display, can show the exact temperature of the liquid inside, choose the temperature you like best, and remit scalding, smart temperature control coffee mugs warm your life. Leakproof Design: Our vacuum cup with a screw-on lid, and the silicone seal on the lid provide a good leak-proof effect, 100percent leakproof even when flipped upside down. You can put it in your car, bag, and backpack without fear of leakage. Widely Used: Easy to hold, the insulated cup is suitable for indoors and outdoors, such as a car coffee mug once traveling, a mug for once party, a water bottle once in school, a thermos once camping, a coffee mug once office time. Specifications: Color: Blue, Pink, White, Green (Optional) Material: Stainless Steel Capacity: 510mL Item Size: 180 * 85 * 85mm/7.09 * 3.35 * 3.35in Item Weight: 260g/9.17oz Package Size: 175 * 90 * 90mm/6.89 * 3.54 * 3.54in Package Weight: 280g/9.88oz Packing List: 1*Coffee Mug