Flexible post is made from PU with special produced.it can go back to the original state very quickly affter be impacted by force.It is wildly used in the entrance of the city,pavement or used as seperator of constructions. It can waring the driver effectively, even if the vehicles bump the waring post, there will not exist the second hurt. The yellow and red color are very attactive in the day,and in the night,the reflective collar/film will reflect to catch the attantion of the drivers.