High quality The coffee mug is made of high quality 304 stainless steel, which is durable, rust resistant, heat resistant and easy to clean. The lid is equipped with drinking holes for placing a straw or direct drinking. Good protection effect against heat and cold Double-walled, vacuum thermal insulation ensures that the temperature of drinks is kept low or high for approx. With its thermal insulation, it keeps both hot drinks and cool drinks at the right temperature for a long time. 6-10 hours. The insulation also protects your hands from the temperature of your drinks. Large capacity Thermal mug is 27,5 cm high, 10 cm long and 10 cm wide. The 40 oz/1180 ml capacity can meet the drinking water demand while driving. The product is available in a variety of colors. Easy to transport The travel mug can be easily placed in the cup holder in your car, and the handle design allows you to easily remove and drink your drink. The wide opening makes cleaning more convenient and easier. Multifunctional: Thermal mug is suitable for swimming, sports, travel, car trips, grilling, camping, parties and more. It can be given to family, friends, teachers, and coworkers for birthdays, Thanksgiving, and Christmas. Note the product maintains temp. cold and hot drinks (max 60C), the product is NOT dishwasher safe.