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 compression . G 105 Model Solar Road Stud/ Raised Pavement Marker,G105 . Solar road stud is a protruding signs.It's self-luminous,supply by solar panel.