1.Keep warm and cold for hoursinsulated travel mug for maximum temperature resistance, keeps hot / frozen drinks up to 6 hours. Pour hot or frozen coffee into your coffee travel mug and feel energized for the day. 2.Leak Proof Coffee Cup One of the most important features of insulated coffee tumbler is to make sure it won't leak if it is knocked over or in a bag. Because a leak-proof screw cap is supplied that can be firmly attached. Together with the silicone seal, this means your drink is airtight to minimize the risk of spills. 3.Double-layered coffee tumbler made of stainless steel The insulated coffee cup with a BPA-free is made of high quality stainless steel, is robust and durable, keeps the drink without any special smell. The removable lid makes it very easy for you to keep your travel mug clean. The two-ply cup body has a threaded cup sleeve that is scald and non-slip. Easy to clean, hand wash supported. 4.capacity 510ml capacity of the travel mugs with beautiful shape and the cup body is light, bring you a good feeling for using, you can enjoy your coffee, tea, wine, juice, oatmeal quite well. Suitable for indoor and outdoor use such as the car, home, parties, travel and office hours. 5.Gifts The stainless steel coffee mug has been carefully color-coordinated, a contrasting design that is fashionable and timeless. The insulated travel mug is also a great gift for your family and friends.