Description For hot and cold preservation only.Keep out of reach of children when filled with hot liquids.Do not put this product into microwave oven .Always keep it away from hot objects.Filling the cup properly would help improve the insulation performance.Do not overfill. It could spill and might cause scaldsPlease make sure that the silicone seal ring is always correctly installed. Incorrect installation or uninstallation of the seal rings will result in leakage.Dropping or heavey impact on the cup may concave the body and cause poor insualtion function.Do not use abrasive brush or corrosive detergent to clean the cup