This Guy Harvey Augusta 9 foot octagonal market umbrella is made with a FiberTeak aluminum core one-piece 1 3/4" pole. A 6" FiberTeak hub holds the pulley and pin Lift system that is easy to use. The 3/4" diameter flexible fiberglass ribs with molded nylon joints are resistant to harsh wind. Single sewn-in vent and storage ties come standard. The canopy is made of marine grade solution dyed acrylic fabric with your choice of a Guy Harvey pattern.