Plastic cup, ceramic cup, stainless steel cup, glass... with which to drink more safe?
I'm sure many of you have heard this phrase. But in fact, there are also safe and non-toxic good plastic cups, and has always been considered safe mugs, enamel cups, etc., in fact, there are hidden risks. The key is to correctly use cups of different materials.
Today, I will focus on the inventory. What kind of cup is safer to drink?