[Hot and Cold Preservation] Our insulated travel mugs can keep drinks hot or cold for up to 4-6 hours. Pour hot or ice cream into Zen heat or ice cream into the coffee pot, double wall vacuum stainless steel insulation design, advanced internal seamless technology, to ensure the constant temperature, so that you can enjoy delicious drinks at any time. This is a great travel mug, especially for hot drinks. [Leak-Proof Travel Coffee Mug] This travel coffee mug comes with a leak-proof screw cap, as well as a premium silicone seal ring, which means your drink will be sealed, minimizing the possibility of leakage. It ensures that it won't leak when knocked over or stored in a bag. (Note: Check the lid is tight before bagging.) It also has a splash-proof clamshell for easy drinking, just open the small opening. [Non-slip Grip and bottom design] The coffee mug features a unique threaded non-slip design in many places that not only makes the hot mug look elegant, but also provides a comfortable way to hold it. The rubber sole is effective in preventing the coffee cup from sliding and tipping over. Also, keep quiet when you put it on the table. [Double Stainless Steel Coffee Cup] The coffee cup is made of food grade 304 stainless steel and has two layers inside and outside. The double layer material not only guarantees better heat retention and food safe temperature. With better insulation and refrigeration effect, at the same time with strong rust and corrosion resistance, long-term contact with the beverage will not deteriorate. [Perfect capacity]510ML capacity, beautiful appearance, bring you a good sense of use, you can enjoy coffee, tea, wine, juice. In addition to water and coffee, travel mugs can be filled with other drinks that you carry with you. Such as cola, juice, soda, beer, homemade mixed fruit and vegetable juice, etc. Suitable for indoor and outdoor, such as home, party, travel and office hours.