Made of polyester that can be waterproof, long lasting, fade resistant, easy to clean. Rust- Free Powder Coated Aluminum Pole(40mm Diameter aluminum pole) and 8 sturdy ribs provides stronger support. Includes single wind vent for stability. 9 feet diameter- Wide enough to your 42" to 54" round, square or rectangle table with 4 to 6 chairs. Easy crank open function with push button tilt, keeping cool and comfortable form the hot and hush sun. This Patio Umbrella include Push Button Tilt/Crank. Note:The base is not included in this item.You can buy the sunnyglade umbrella base (ASIN:B06XT1TFJN) to match it. 9 feet diameter patio straight umbrella for extra strength, featuring heavy-duty fabric is especially designed to keep you cool and comfortable