1. People who wear bright vests such as orange are usually detainees or suspects in detention centers, in order to highlight themselves.

2. Juvenile reformatory: white clothes with yellow stripes on the back.

3, drug rehabilitation center clothing: blue clothing, with vertical red and white stripes on the collar.

4. Adult prisoners: dark blue clothes with blue and white stripes on the back.

5. Death row clothes: bright orange, bright orange is death row clothes, which means the last color of life.

Since 2000, the national prison system has standardized and unified prisoners' prison uniforms, and all prisoners' clothes and trousers are blue. ?

The prisoner's clothes are made of durable materials, and the blue color is just to prevent the prisoner from escaping. On the way to escape, conspicuous blue clothes make them easier to be found.