<p>describe</p> <p>[Waterproof LED Display]: Waterproof LED display that can be fully immersed in water. Just touch the LED screen and the temperature of the liquid will be displayed on the LED screen. You don't have to test the temperature with your mouth or get burned.</p> <p>[Durable Insulation Cold]: Vacuum cups and cups can block heat transfer. Our products retain liquid heat for up to 6 hours above 42°C and liquid cool for up to 5 hours below 10°C. It is longer than other thermos for kids. (After 24 hours in 100°C water, the temperature remains around 40°C)</p> <p>[Safe and Safe Material]: Kids Thermos Water Bottle is made of 304 food grade stainless steel. It's FDA-approved for your drinking needs. Of course, 100% BPA free. (Size: about 7.6*13.8 CM), take this easy-to-carry kids water bottle</p> <p>[Super-capacity battery]: Large-capacity lithium battery, the screen will automatically turn off when not in use, and the battery life can be up to 2 years. Don't worry about changing batteries every day.</p> <p>[Wide Application]: This children's thermos water bottle adopts advanced double-wall water absorption technology, which is fashionable and durable. Whether traveling, at home, in the office or outdoors - the perfect companion. Simple and practical, it is the best Christmas gift for friends and family.</p> <p>Color: blue, green, pink (optional)</p>