The perfect sign to place on top of your traffic cone / Delineator Post. These traffic cone toppers are solid injection molded, polypropylene material, heavy duty 1.5MM thickness, fit any standard traffic cone, are easy to install, no tools needed, are solvent, corrosion, and chemical resistant, are graffiti resistant, will not rust, have zero profile, and are UV rated 2-3 years indoor & outdoor durability.