Ceramic cups actually hide great hidden dangers in those bright pigments, especially the inner wall is coated with glaze. When the cup is filled with boiled water or drinks with high acid and alkali, the toxic heavy metal elements such as lead in these pigments are easy to dissolve in the liquid. People drink liquids with chemicals, which will do harm to their bodies.
The glass is not only transparent and beautiful, but also the healthiest of all materials. The glass does not contain organic chemicals in the firing process. When people drink water or other drinks with it, they don’t have to worry that chemicals will be drunk into their stomach. At the same time, the glass surface is smooth and easy to clean, and bacteria and dirt are not easy to breed on the cup wall.
To sum up, compared with glass, ceramic cup is better for drinking water, which is both healthy and safe. However, if the ceramic cup is selected well, it is still better than the glass. Of course, the quality should pass the customs.

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