<p><br /> Double-layer Insulated travel cup, it never burns your hand when the cup is loaded with freshly brewed coffee since the outer wall only has the temperature of about 104°F (40°C), and the body surface temperature of the palm is around 89°F(32°C), so it will not be hot, cold winter can also be used to warm hands also. Best travel companion features double-wall insulation that helps keeps drinks hot or cold for 3 hours, for optimal result, best to serve hot within 3 hours<br /> Since the cup body is not made by stainless steel, it could not keep hot/cool for 24 hours.</p> <p>Evron is a kind spill proof reusable coffee mug. Easy to hold，Ergonomic and stylishly designed for modern commuters, travelers and urban explorers of today's fascinating world. Whether you are driving a car, catching a train or riding on a bus, this coffee cup is the ultimate companion that will make your day brighter, able to hold up to 16 ounces.<br /> Note: Evron Cup can be used in microwave oven and safe to dishwasher, microwave oven temperature should not be exceed 220~275℃, removed the cup cover while heating, but it is not recommended to place in the microwave for a long time!<br /> Precautions before use: 1. Check that the inner ring seal of the cup cover is properly installed, 2. The cup cover should be scurried against leakage .</p>