•Please wash the product with warm water and an appropriate amount of dishwashing agent before using the product for the first time, and then rinse with clean water before use.
•If the best effect of heat preservation and cold preservation is not achieved, please add an appropriate amount of hot or cold water for preheating or precooling before use. Adding ice cubes when keeping cold works better.
•In order to ensure the function of the product and extend the service life of the product, collision or strong impact should be avoided during use.
•Do not use microwave ovens or other heating social security to heat the product. Avoid approaching fire when using.
•Do not wash in the dishwasher.
•Do not overfill hot water to prevent overflow and burns.
•Do not use dairy products or baby food for long periods of time to prevent harmful bacteria from multiplying.
•After the product is used, it should be cleaned in time.
•Do not store dry ice, carbonated drinks and other foods that are easy to expand.
•Minors are requested to use the product under the guidance of an adult.