* * Soaking water in fake selenium-enriched natural purple sand health cup will not harm your health * *. Although the fake selenium-enriched cup may contain little selenium, it can still be used. This kind of cup has the national patent number, which can purify water and eliminate pesticide residues, lead, mercury, chromium and other heavy metals in water. If you use this cup to make tea for a long time, the taste of tea will get better and better.

Please note that if you buy a purple sand cup without the guarantee provided by a regular merchant, there may be some risks, because the purple sand cup may contain substances harmful to human body. Therefore, when buying a purple sand cup, you must choose a regular merchant.