U.S. launches new thermal plastic bottle

The United States Ansa bottle company introduced a new type of thermal plastic bottle, parents only need to glance at the bottle, you will know if the milk inside is too hot. There are 4 colors in this bottle. When the temperature reaches 31°C, milk is suitable for babies to drink. If the temperature exceeds 40°C, the bottle becomes white. This shows that the milk in the bottle is too hot. After the milk in the bottle cools, the bottle will return to its original color. This property is obtained by injecting a thermosensitive chemical element into the bottled polyethylene.