Ace Evert 9-Feet Auto Tilt Market Umbrella, Olefin Fabric, Khaki Umbrella is quick and easy to clean, Crank-Open system Auto Tilt, Olefin Fabric 8 Ribs (0.55-inch by 0.78-inch) Dimensions open 105-inch Height 94.5-inch Pole diameter = 1-1/2-inch Rust- free 'Powder -Coasted' Aluminum pole and ribs