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 conditions. The two-section aluminum pole has a 0.08 inch wall thickness, providing superior stability. The umbrella also boasts a fiberglass rib framework, further enhancing its durability. The pulley lift system is simple and efficient, making it easy to use. What sets this umbrella apart is its three-year warranty on the fiberglass ribs, which is longer than the standard one-year warranty. With its combination of strength and reliability, this umbrella is capable of withstanding any challenge it faces.- Commercial grade design for durability- Extra-large 11ft diameter canopy for ample shade- Easy push-lift system for effortless setup- 8 heavy duty fiberglass ribs for superior stability- Aluminum hub and housing for long-lasting use