These 18″ and 36″ reflective traffic cones meet NCHRP-350 Certifications and MUTCD standards. Wide body design with orange base. Flow molded, dayglow orange PVC with white liner. Available in 18″ and 36″ sizes. *36″ cones, a $15.00 shipping charge will apply for every 6 cones when order ships. For 18″, it will be 12 cones. (This wont show in the cart.)