... /15cm,high intensify grade/engineering gradeColorred,green,yellow,orange,etcFeatures:Traffic cones will return its position after being struck by vehicle ... over or roll away if knocked over.Cylinder shape of traffic cone makes stacking easy.Reflective collars,can be seen from ... me.We CAN OFFER 12',18',28' AND 36' HEIGHT TRAFFIC CONE.Any interested,pls contact us directly road channlizer traffic cone