One-piece construction all PVC cone. All vinyl construction assures durability and flexibility in all weather conditions. Long lasting, brilliant fluorescent color provides high visibility protection. Ultraviolet stabilized color provides maximun resistance to fading. High density base creates low center of gravity for maximum stability.Engineered to meet MUTCD specifications. Meets NCHRP-350 catagory requirements. Slim body and wide body designs available. Collared cones come in 18”, 28”, and 36” cone sizes. Collar sizes are 6” upper and 4” lower. Stenciling available on all cones.