This best-selling 11-foot commercial-grade umbrella is designed to meet the demands of both residential and commercial owners. It features a robust aluminum frame that is built to withstand tough conditions. The two-section aluminum pole, with a 0.08 inch wall thickness, provides superior stability. The umbrella's fiberglass rib framework further enhances its durability. The efficient pulley lift system makes it easy to use. One standout feature is the three-year warranty on the fiberglass ribs, which is longer than the standard one-year warranty. This umbrella offers the best of both worlds - strength and reliability.- Commercial grade design for durability- Extra-large 11ft diameter canopy for ample shade- Easy push-lift system for effortless operation- 8 heavy duty fiberglass ribs for superior stability- Aluminum hub and housing for long-lasting performance