Impact-resistant polypropylene is weather resistant in extreme conditions. Barricade can be Type 1 (single rail) or Type 2 (2 rails). Rails are reinforced to resist bowing in hot weather conditions and are angled at 15 degrees for greateer stability. Lightweight and easy to handle with reflective sheeting for maximum adhesion. Indivdual leg weighs 6lbs each. UNIQUE DUAL USE: A-frame legs can be joined with hinge pin (included) to use as a rigid sign stand. Rail not included.