The TrafFix Cone is a PVC, injection molded cone that has excellent stability and anti-skid performance. Fluorescent orange makes it easy to spot and fade resistance for long term use in the elements. Available with 4-inch and 6-inch reflective collars that are MUTCD Compliant for nighttime performance. Cones easily stack for transporting or storage. Available in 18-inch and 28-inch cones.