This 11 foot commercial grade umbrella is a top seller due to its heavy duty construction. It is designed to meet the demands of both residential and commercial owners. The umbrella features a robust aluminum frame that is built to withstand tough commercial conditions. The two-section aluminum pole has a 0.08 inch wall thickness, providing superior stability. The fiberglass rib framework further enhances the umbrella's durability. The umbrella is equipped with a simple and efficient pulley lift system, making it easy to use. One of the standout features of this umbrella is its three year warranty on the fiberglass ribs, which is longer than the standard one year warranty offered by other umbrellas. This warranty ensures that the umbrella will hold up against any challenges it may face. With its combination of strength and functionality, this umbrella truly offers the best of both worlds.- Commercial grade design for durability and reliability- Extra-large 11 foot diameter canopy for ample shade coverage- Easy push-lift system for effortless opening and closing- 8 heavy duty fiberglass ribs for superior stability in windy conditions- Aluminum hub and housing, 2 section aluminum pole with over 2mm wall thickness for added strength and longevity