This 11-foot commercial grade umbrella is a top seller due to its heavy-duty construction and impressive features. Designed for both residential and commercial use, it boasts a robust aluminum frame that can withstand demanding 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. Its strong aluminum pole frame is complemented by a simple and efficient pulley lift system, making 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 resilient and user-friendly design that can withstand any challenge.- 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- Stainless steel hardware and pulleys for rust resistance- Double Wind Vent Canopy for improved air circulation and reduced wind resistance- Product dimension: 132' x 107' for spacious outdoor coverage- Base sold separately for customizable setup options