1. How to choose a glass jar with lid
1. Looking at the transparency, the glass should be clear and transparent without any coloration. 2. Look at the bubbles, the glass wall or bottom of the glass is free of bubbles or there are a few bubbles. 3. Look at the roundness of the mouth of the glass. The mouth of the glass is rounded and smooth. When you choose the glass, you can touch the mouth of the glass with a book. 4. To see if the body of the cup is tilted, the body of the glass is horizontal, we can look at the glass, so that it is easy to see if the body of the cup is tilted. 5. Check whether there are friction marks on the cup body. The glass cup will leave obvious friction marks when colliding with other objects, thus losing its original luster. When we select the glass, we can put the glass in the sun, and it is easy to see whether there are friction marks on the body of the glass.

Second, how to maintain the glass
1. Wash it immediately after use, or it can be washed once a day if it is troublesome. 2. When cleaning the glass, not only the mouth of the cup, but also the bottom and wall of the cup. 3. The friends who often wear lipstick should pay attention, and the lipstick mark on the mouth of the cup should be cleaned. 4. Use a brush when cleaning the glass, it is difficult to clean it only with water. 5. If there is oil or tea stains on the glass, we can use a brush with toothpaste to clean it, because the toothpaste contains decontamination ingredients and a small abrasive, which can easily remove the stains without leaving friction Mark of.

As a very important cup in our lives, glass is both environmentally friendly and beautiful. Therefore, whether it is the selection of glass or the maintenance process, I hope everyone can take it seriously