It does not contain harmful heavy metals and organic chemicals, so there is no need to worry about the precipitation of harmful substances when holding various drinks. Moreover, the transparent material is easy to clean, and it is not easy to shelter evil people from evil.

Second, the enamel cup

Enamel is resistant to high temperature and corrosion, and the metal contained in it is relatively stable, but it may dissolve in acidic environment, so it is best not to use enamel cups to hold acidic drinks for a long time.

Third, stainless steel cups.

Stainless steel cups are alloy products. Improper use will release the heavy metal substances contained in it, which is harmful to health. Therefore, in daily use, do not use stainless steel cups for acidic drinks.

Fourth, ceramic cups.

The more "plain" ceramic cups are, the safer they are. You can touch the surface of the pattern when you buy it. If it goes well, it will be safer.

Verb (abbreviation for verb) plastic cup

Additives and low molecular substances in plastic cups are easy to precipitate after heating. So try to pack as little hot water and hot drinks as possible. Don't put plastic cups in the refrigerator for a long time, low temperature will lead to plastic degradation.