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 conditions. The two-section aluminum pole, with a 0.08 inch wall thickness, and fiberglass rib framework provide superior stability. The umbrella is equipped with a convenient pulley lift system for easy operation. Notably, the fiberglass ribs come with an extended three-year warranty, offering added durability compared to the standard one-year warranty. This umbrella combines the best of both worlds, providing strength and reliability for any situation.- 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 for added strength and longevity