Material: 480ml insulated coffee mug is made of 304 stainless steel, double layer structure, vacuum insulation, safe material, safe to use, easy to clean, non-slip straw mug body is made of silicone, soft and bite resistant, with a variety of colors to choose from, to meet your daily needs. Keep Cold and Insulated: When the room temperature is 15 -25 C, the start heat preservation temperature is 95 C. Use for 6 hours, keep the heat preservation temperature around 70 C and keep the cold temperature around 8 Use for 12 hours, the heat preservation temperature is greater than or equal to 48 C. Use for 24 hours, the temperature to stay cold is approximately 19 C. Innovative cover: The caf insulated travel mug is a lid with two functions, a direct drink port design, you can drink directly for more enjoyment of each other, the design of the straw opening, the snap-button cup cover, it can be opened and closed freely, no need to look up to drink, allows you to use it with elegance, anti-stick lipstick detachable straw, easy to clean, clean and hygienic. Beautiful and Practical: The insulated coffee mug is lightweight and portable, whether it is an indoor office, a party, when driving or traveling outdoors, you can enjoy coffee, juice, beer, milk and other beverages anytime, anywhere Fashionable color contrast design, nice and practical insulated travel mug is also the best gift for family and friends Christmas and Thanksgiving . After-sales service: Thank you for purchasing the thermal mug from Tusenpy. If there is any problem with your order, please contact us first. We will definitely give you a satisfied solution.If it is a product quality problem, you can get a full refund or free replacement.If you are satisfied with our travel insulated coffee mug, please feel free to not share your experience with other buyers, thank you .