... ; easy to find in the darkness; Maintenance free. Traffic cone,safety cone,reflective rubber cone 1,it has good flexibility, anti-car rolling, and ... 4,the surface materail which is reflex are : PVC reflective sleeve, reflective powder, customers can choose according to specific circumstances. Uses ... (36Inch) 360mm5.5 Kg150mm (6Inch)+100mm (4Inch) police specialized blue traffic cone