Easy and quickly installed on traffic cones, ZGYZJM Cone Bars provide a high visibility barrier between pedestrians and potential hazards at both job-sites and public places. Lightweight, easy to store and carry, and fully reflective for night time use. Retractable Cone Bars are made from the highest quality commercial grade PVC materials, ensuring high performance and long-life durability. Red and White reflective stripes definitely get people's attention. Cone Bars create true work-site traffic control.