The Abba Patio 11' Offset Cantilever Patio Umbrella is ideal for covering large patio dining sets, conversation seating,or pool or spa areas. This 11' offset cantilever umbrella offers so much versatility with placement. The fade-resistant Olefin fabric keeps the color for years and offers UV protection. The strong aluminum pole with a cross base allows for stability and strength. With the rotating device and vertical tilt mechanism, this large shade umbrella can offer multiple options, no matter the time of day, so you'll always be shaded and cool! Specification: - Type: Roma Umbrella with cross base - Size: 11 feet (Shade is about 95 square feet of material) - Fabric: Fade-resistant Olefin - Pole Material: Rust-free, Powder-coated Aluminum - Pole Diameter: Oval tube 3.15" L x 2.09" W (80x53mm) - Frame: Powder coated in dark grey color finish - Ribs: 8 aluminum ribs,0.57x0.91 inch - Air vent:Yes to provide basic wind and heat venting - Weatherable:Yes - Commercial/Residential:Both