1. Superior PVC ConstructionEach order comes with 6PCS 28' traffic cones made of environmentally friendly odorless PVC which is impactresistant, flexible yet highly durable, resistant to ultraviolet light, moisture, oil and extreme temperatures, withstand wear and tear from heavyduty loads and harsh climates. The above determined that our traffic cones will last a very long time even when located in extreme conditions such as cold frost, snow, rain, solar radiation, heat! 2. Hivisibility Cones with Two Reflective StripsThe brilliant fluorescent orange color throughout is visible up to 800 feet away, and visible from any angle, day or night; 28' perfect height increases the visibility, making the cones easily seen; Two high intensive silver reflective strips(46inch wide) for 360 degree visibility, make the road cones very eyecatching and easy to remind people that there are something need their attention, you extra security in the dark! 3. Large Weighted Base14'x14' Large square bottom and 1.6' height for increasing wind resistance, make the traffic cone firmly grips the road, won't easily be turned over and blown down by wind. Sturdy, rigid design makes it stay right where you place it. Perfect for roadside emergency responders, schools, municipalities, parking lots construction, utility trucks, tow trucks road , hazard marking and a variety of other applications 4. Easy to StoreSpecially designed base allows ease of stacking. traffic cones could be continuously overlapped and will not take up too much space, perfect for convenient store and transportation