pavement marker Plastic road studs ABS material,good reflexible, hi sheet,strong resistance, grearer than 12 tons. pavement markerPlastic road studsABS material,good ... ,hi sheet,strong resistance,grearer than 12 tons.Plastic road studs with one an two-side reflector.Key specifications/ ... work after some part of reflector is boken.Whole road studs including reflector is totally solid,no any emptiness, ...