The function of reflective clothing is to form very strong light reflection under the condition of light irradiation, which can stimulate the driver's visual nerve, remind attention to pedestrians ahead, drive carefully, and avoid accidents. Reflective vests are mainly suitable for police, highway personnel, traffic controllers, road maintenance personnel, motorcycle and bicycle drivers, workers under dark light and other local workers who need to use light for warning. The reflective vest body is made of mesh cloth or plain cloth