This is a reflective vest. It is orange with silver reflective stripes. Reflective vests are often used in traffic, building construction, sanitation and other fields, through reflective materials in the light under the reflection of light, so that the wearer in the lack of light or low visibility environment is easier to be found by others, play a safety warning role, effectively reduce the risk of traffic accidents and other accidents, to ensure the personal safety of the wearer.