The portable barricades from Concord Crowd Control are made from high density polyethylene. They are designed to be visually appealing, durable, rust free and most importantly, easy-to-handle. The personnel and management of Concord have 20+ years of experience in providing portable barricades and safety and traffic control products to the construction industry. We know how important it is to make a series of products that are sure to keep people out of harms way. Concord services endeavors to be the number one supplier of portable barricades in North America by providing security barriers made of the highest quality materials, and providing the best customer service in the industry. Call 1-866-243-2219 for more information.