This best-selling 11-foot commercial grade umbrella is designed to meet the needs of both residential and commercial owners. It features a sturdy aluminum frame that can withstand demanding conditions. The two-section aluminum pole has a 0.08 inch wall thickness, providing 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, surpassing the standard one-year warranty. With this umbrella, you get the best of both worlds - a robust construction that can withstand anything you throw at it.- Commercial grade design for durability and longevity- 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 support