TEG Safety's Heavy-Duty Premium PVC Orange Safety Cone is 28 in. tall feature 2 high-intensity retroreflective collars, which provide high visibility. The one-piece design keeps 13-1/2 in. base from being lost or removed accidentally. The bases are made of flexible rubber to help them grip the road and remain stable in higher winds. These cones are stackable for storage and are great for directing traffic, marking construction sites, and managing parking lot traffic.