HIGHQUALITY MATERIALS combination of 316 stainless steel and ceramic for excellent insulation and durability EXCELLENT INSULATION PERFORMANCE Carefully designed inner container keeps coffee or tea warm for a long time so you can enjoy hot PORTABLE DESIGN Lightweight and easy to carry great for travel and outdoor activities SMART TEMPERATURE SCREEN With a single touch you can instantly find out the temperature of the drink in the cup at this time and make sure you never miss the best taste again SAFE AND RELIABLE Strict quality controls ensure non toxicity and odor free use Reliable sealing lid prevents leakage