This best-selling 11-foot commercial grade umbrella is designed to meet the demands of both residential and commercial owners. It features a sturdy aluminum frame that can withstand tough commercial 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 durability. Its efficient pulley lift system makes it easy to use. What sets this umbrella apart is its three-year warranty on the fiberglass ribs, compared to the standard one-year warranty. With this umbrella, you get the best of both worlds - robustness 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