This best-selling 11-foot commercial grade umbrella is designed to meet the demands of both residential and commercial owners. It features a durable aluminum frame that is built to withstand demanding conditions. The two-section aluminum pole, with a 0.08 inch wall thickness, provides superior stability. The umbrella also boasts a fiberglass rib framework for added strength. The pulley lift system ensures easy operation. What sets this umbrella apart is its three-year warranty on the fiberglass ribs, offering longer protection compared to the standard one-year warranty. With its robust construction, this umbrella is capable of withstanding any challenge, making it the perfect choice for those seeking durability and functionality.- Commercial grade design for durability- Extra-large 11ft diameter canopy for ample shade- Easy push-lift system for effortless opening and closing- 8 heavy duty fiberglass ribs for superior stability in windy conditions- Aluminum hub and housing, stainless steel hardware and pulleys for long-lasting use