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 ensures easy operation. What sets this umbrella apart is its three-year warranty on the fiberglass ribs, surpassing the standard one-year warranty. With its robust construction, this umbrella offers the best of both worlds - strength and reliability.- 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, 2 section aluminum pole with over 2mm wall thickness for added strength and support- Stainless steel hardware and pulleys for rust resistance and smooth operation- Double Wind Vent Canopy to allow air flow and prevent wind damage- Product dimension: 132' x 107' for spacious outdoor coverage- Base sold separately for customizable stability options.