Yescom 17" Height Red PVC Safety Plastic Traffic Cones w/Reflective Strips Collar Set of 4pcs 4pcs 17" Tall red durable PVC traffic cones with reflective strips Big and bright, easily noticeable Stackable for easy storage and transportation A hole (Dia. 1 3/16") at the top allows for a pole or a flag Versatile, great for road safety, construction sites, parking lots, sports or bike skills training