1. This is a (2 - pack) thermos mug that can be used as a couple mug. It could be very nice to use the same thermos with your loved ones in the cold winter. 2. Material: The coffee mug is made of double - layer 304 stainless steel and is vacuum sealed. It can effectively keep drinks cold for 6 - 8 hours and hot for 5 - 6 hours. It's not dishwasher safe due to a special coating. 3. Perfect craftsmanship: It's 14 ounces, compact and elegant. The slim design provides a better grip, making it a convenient travel coffee mug that you can easily take with you. 4. Leak - proof flip lid: The tight - fitting hinged lid design provides good leak protection compared to other open designs. The lid features a silicone ring that rotates to securely attach to the cup, which is more effective at eliminating spills than traditional pressure lids. 5. Non - slip matte surface: The coffee mug has been treated with a matte surface, which not only enhances the appearance but is also sweat - resistant and non - slip. It's less likely to leave fingerprints on the surface, thus maintaining visual appeal. 6. Multifunctional, suitable for various occasions: Whether you are at home, in the office or in the car, this mug is a stylish accessory. With multiple capacity options, you can customize the amount of your drinks, which is suitable for everyday use and travel. 7. Nice to give as a gift: This thermos mug would be perfect as a gift for those you want to give it to, because both its appearance and ease of use make it suitable for birthdays, Christmas, etc. 8. The thermos mug has the following features: - Special coating process: The inside of the mug is specially coated to enhance the anti - corrosion effect of the drink. Note that the protective coating cannot be washed in the dishwasher. - Ergonomic design: The cup is designed with ergonomics in mind and is easy to operate with one hand, making it easy to drink while driving or traveling, which improves the convenience of use. - Stylish appearance: The thermos cup has a stylish appearance and matte surface, suitable for various social occasions. It's not only a practical but also a fashionable accessory. - Multiple capacity options: It provides multiple capacity options. Users can choose the most suitable cup according to personal needs, whether it's a small drink or a large drink. - Ideal gift choice: With its good insulation properties and elegant design, this thermos cup is an ideal gift for holidays and special occasions, suitable for family, friends and colleagues.