Keep warm and cold for hoursTravel mug for a prolonged period of time. Any drink that is hot, like coffee,Cooler drinks (i.e. lemonade) can stay hot / frozen drinks for up to 4 hours. The high-quality 304 stainless steel , BPA free and the double-walled insulation design ensures beverage can stay either hot or cold over time.<br/>Perfect capacity510ml/17oz 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.<br/>Stylish DesignCompact and lightweight, fits most cup holders. The silicone textured band of the surface makes this cup easy to grip, non-slip base prevents the coffee mug from sliding or tipping over. Wide opening makes it easy to clean and add ice cubes, meanwhile hard to breed bacteria(Hand wash only, the dishwasher is not recommended).<br/>Easy to Drink with One HandTravel coffee mug includes an eco-friendly flap opening that makes drinking one-handed a breeze.The coffee mug lid comes with an airtight silicone seal that prevents the drinks from spilling. And the surface of the lid also has a straw hole design, which allows you to drink straight from the cup or use a straw. Comes with a silicone cover on the body, it can help you hold it comfortably.<br/>Great GiftsThis reusable coffee tumbler can be given to lover, friends and family as a really nice gift for Birthday, Thanksgiving Day, Chrisrmas, Valentine's Day. If you encounter any problems at the time of purchase or after receiving the coffee thermos, please contact us in time. We are happy to solve your problems.