A barricade from Concord Crowd Control Service, Inc. is not only practical but visually appealing, durable, rust free and easy-to-handle. A barricade from Concord Crowd Control is made of a high density polyethylene that it is reliable and designed to last for years. It features an interlocking design with stacking or nest storage for greater portability. Excellent for crowd control, every community should consider the purchase of a barricade system from Concord. From house fires to Christmas parades, our barriers will do what they were intended to do in temperatures of +120 ºF to as low as -40 º.