Enjoy tons of fresh air this summer without having to sit in the hot sun. Ideal for covering a larger space but not nearly as expensive or permanent as a pergola or awning. This market umbrella has three vents at the top proving maximum air flow. This features a sturdy powder-coated aluminum frame with steel ribs built to last a lifetime. The crank opening allows for ease of use. Details:Available in multiple colorsDiameter of open umbrella: 15ft. wide x 8.85ft. deepHeight: 7.75ft.Pole diameter: 2" (48mm)Umbrella shape: rectangularFrame and pole color: blackLift: hand crank12 ribsMaterial(s): 180 gram polyester canopy/powder-coated aluminum pole/steel ribsNote: Umbrella only base is not included