What is the principle of reflective vests？

Is the use of reflective vests embedded in the production main parts of clothes or vest and is used for personal safety equipment at night or adverse weather conditions. A reflective vest can work outdoors in better protection of staff. Reflective clothing is the use of high refractive index glass beads reflection principle, made by advanced technology after focusing processing. It will be the direct light in the distance reflected light, no matter in good cunter reflection optical quality by day or night there. Especially at night, can play the same day as high visibility. This made use of high visibility reflective materials, whether the wearer is in the distant place, or in a situation or scattering light interference, can easily be found driving at night. The emergence of reflective material to successfully solve the "see" and "be seen" the night driving problem.