1. It is better to choose a cup made of glass. Because glass is the healthiest. After all, there are almost no organic chemicals in glass, so when drinking water, you usually don’t have to worry about the problem of harmful substances that attract gold. But you must first choose glasses without bubbles. Glass without bubbles is the best. Many merchants on the market sell colored glasses, and many colored glasses actually contain other pigments. , these pigments contain a lot of harmful chemicals, so although the glass is the best, you still need to observe it before selling it to see if the trademark on the glass is qualified.

2. Ceramic cups are actually a good choice, but the glaze contained on ceramic cups also contains certain chemical components, so it also has a certain impact on human health. Therefore, when buying ceramic cups, It is recommended to choose those white ceramic cups without glaze, or ceramic cups with a very smooth surface.

3. Some plastic cups are also available, but they are slightly inferior to the cups made of the above two materials. Moreover, plastic cups must be carefully observed for their trademarks. Each trademark represents a different The variety of plastic cups, of course, also means that the quality of the plastic cups will be different.