... high quality industrial grade material.Designed for matching with traffic cones & columnsVersatile for road, trench, utility works, construction sites, parking lots, ... barrier .Reusable and highly reflective for night or day traffic control. Retractable style:Diameter:34mm inner tuber,40mm outer tuber,90mm ... : According to your requirementsColor:black&yellow,red&white,etc Retractable Traffic Cone Bar