Reflective vest is made of high-strength reflective material, which can make traffic police, police, drivers and passengers on duty or deal with emergency accidents smoothly at night or in special weather conditions, so as to reduce unnecessary casualties. It plays a special role in human production and life, especially in traffic engineering. This kind of reflective vest is widely used in traffic police, drivers, fire control, steel industry, machinery industry, petroleum industry, ambulance, parking lot, airport, outdoor work or construction, etc. it is a good warning article. The reflective vest is necessary for preventing and ensuring personal safety.