Glass Solar Cat Eyes Road Marker-Nokin Solar Cat Eyes. Raised pavement Road Marker Stud size: 100*100 or 150*150mm material: cast aluminum for stud and glass beads cat eye reflector 3pcs of 7 glass beads reflectors cat eye reflector: yellow white or red weight/pcs: 240 280 360g Product name: Cat eye aluminum road stud 1.