This best-selling 11-foot commercial grade umbrella is designed to meet the needs of both residential and commercial owners. It features a robust 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 durability. The efficient pulley lift system makes it easy to use. What sets this umbrella apart is its three-year warranty on the fiberglass ribs, offering more protection compared to the standard one-year warranty. With its exceptional strength and reliability, this umbrella is the perfect choice for any situation.- Commercial grade design for durability and long-lasting use- 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, stainless steel hardware and pulleys for added strength and reliability