It is made of high density, green polyethylene (HDPE). Its construction material is non-toxic, recyclable and offers multi-year durability in difficult weather conditions such as rain, air, hail, ultraviolet radiation, etc. On the front side, two white-colored stickers, made with high-reflection, Type II, membrane are placed oppositely. It offers high visibility day and night in all weather conditions. Available in two sizes, with an outer diameter of 1000 mm and 2000 mm.
It is placed with plugs and filled with water or sand to ensure its absolute stability. It is applied in order to separate the traffic from the beginning of the islets into two flows in the same direction and in tolls.