Ip68 Solar Road Studs Rate-NOKIN Solar Stud Suppiler Solar Reflective Road Stud Ip68 For Highway-NOKIN Solar The original cat eyes road stud was with a plastic body, but for led solar road stud, the die-cast aluminum road stud is the main trend which It has the characteristics of anti-aging,anti-corrosion,anti-ultraviolet rays, etc., its