NOKIN reflective road markers,reflective road. SRS-AL001 is our new product,The reflective road markers are made of acrylic mixed material, hardness is very high.The aluminum frame is sand-blasted,and curve smooth, without sharp edges, Selling Point Best Reflector:By using the good reflector mold, meet the Euro Reflective Road stud Standard Reduce The Impact :The aluminum frame with smooth edges is sand-blasted.The solar road stud is no.