... to find in the darkness; Maintenance free. Traffic cone,safety cone,reflective rubber cone 1,it has good flexibility, anti-car rolling, and ... Hard object impact. 2, with anti-sun, not afraid of wind and rain, heat, cold, no cracks, no discoloration and so ... ) 360mm5.5 Kg150mm (6Inch)+100mm (4Inch) police specialized blue traffic cone