This 11-foot commercial grade umbrella is a top seller due to its heavy-duty construction. It is designed to meet the demands of both residential and commercial owners. The umbrella features a robust aluminum frame that is built to withstand tough conditions. The two-section aluminum pole has a 0.08 inch wall thickness, providing superior stability. The fiberglass rib framework further enhances its durability. The umbrella is equipped with a simple and efficient pulley lift system, making it easy to use. One standout feature is the three-year warranty on the fiberglass ribs, which is longer than the standard one-year warranty. With this umbrella, you get the best of both worlds - a strong and resilient design that can withstand anything you throw at it.- Commercial grade design for durability and reliability- 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, with stainless steel hardware and pulleys for long-lasting performance