Reflective material has good retroreflection and environmental protextion functions, applying the principal of retroreflection of high reflectivity glass micro beads, we adopt the advanced technology of post treatment of focus control. Each item accords with European Standard of EN471. When light hits glass beads, it is first refracted through the surface, then redirected back toward the light source, making the people judge correctly and insuring the safety. The products are widely used of safe belt, safe dress, raincoat and other things in our daily life.