SUPERIOR MATERIAL- This traffic safety cones is made of high-quality and environmentally friendly odorless PVC material, solid, flexible and durable. It can withstand extremes of temperature and weather without fading or cracking. HIGHER WARNING- This safety cones adopts brilliant fluorescent red color with one high intensive reflective collar, 18' high, assuring 360°visibility day and night. Hole in the top for flag. LARGE SQUARE BASE- 11'x11' large square PVC bottom increases its wind resistance, not easily be turned over and blown down by wind. EASY STORAGE- This parking cones come with 20 pcs. It is designed to have a hollow base, easy for stacking and perfect for convenient store and transportation. VARIOUS APPLICATION- Our traffic cones is suitable for roads, construction sites, parking lots, sports place and other places. Perfect for traffic safety control, hazard making and various applications.