1. Plastic breast badges are relatively easy to stain, and once contaminated, they are difficult to clean! Firstly, we should not let the badge get dirty. Secondly, we should avoid using a brush to clean it.

2. The plastic used for the plastic breast badge is made of tough plastic material, and it must be protected from direct sunlight and prolonged exposure to sunlight

3. Metal badges are mainly made of relatively thin tinplate, so if not protected properly, they are easily deformed. Once deformed, they cannot be used, so we must avoid collisions.

4. Metal badges should not be cleaned with a brushThe layer can be easily brushed off.

5. At the same time, the environment in which it is placed should not be underestimated, especially in places that are prone to oxidation