It is used on roads or complexes to provide high visibility guidance at night or on harsh weather daysThe cat eyes used in the road stud glow and provide good amount of visibilityColor: Red or White or YellowSize: 115 mm x 90 mm x 17. 5 mmWeight: 110 gm per pieceAs per ASTM D - 4280The road reflector studs can bear severe impacts and its specific reflective panel of the studs provides very high reflectivity