Material: tinplate (surface)+plastic (bottom).
The material of tinplate is strong and durable, and the pattern is clear. Pins on the back are easy to wear.
It can be used to decorate your clothes, bags, etc. to show your unique personality. They can also be presented to each other as gifts to reflect your unique intentions.
There are pins on the back of the badge.
Due to different measurement methods, the size data with error within 0.5cm is normal.