9 ft. outdoor umbrella would shades you with at least 4-6 chairs and table, ideal for both residential and commercial location. High-density polyester is water and UV resistant. Double-layer Vent enables essential wind and heat to ventilate and makes the umbrella remain stable and grounded. To reduce swaying and increase overall strength of our umbrella, the entire structure of yard umbrella is made of sturdy iron material. Powder coated iron pole and 8 sturdy ribs provides stronger support and are built for stability 9 ft. Dia large umbrella shade better for Market, Garden, Deck, Backyard, Pool and Patio Table. Enjoy your coffee time in the gentle breeze and Sunlight will never shine your eyes all the day.