Aluminum frameCross Base: The outdoor patio umbrella comes with a cross base, not the weighted base pictured. You must weigh down the base properly support the cantilever umbrella. See our size chart or search for weighted base ASIN:B0BPY6WWDW.High-Quality Fabric: This square patio umbrella is made of high-quality, yarn-dyed 250 GSM polyester fabric, which is water-repellent and UV-resistant. We guarantee our patio umbrella to resist fading for at least 2 years.Labor-Saving Design: You can easily adjust the height and orientation of the patio umbrella via the crank and switch on the post. Use the lever to rotate your umbrella 360°.Generous Shade: Our 10x10 rectangle patio umbrella is perfectly suitable for a variety of outdoor uses. This generous umbrella covers 100 square feet, providing enough shade to cover recliners, sofas, dining tables, etc.Sturdy and Durable: The pole and 8 ribs of this outdoor triangular cantilever umbrella are made of extra-thick aluminum. The lightweight frame is powder-coated for rust-resistance. Product Description 1 Backyard 2 Balcony 3 Restaurant 4 Terrace References and Recommendations Materials for poles Aluminum HDPE Aluminum Aluminum Outer dimensions 10FT 2.75FT 9FT 9FT Number of boxes 1 1 1 1 Weighted Base Not Included Included Not Included Not Included Sun protection Track Page Views WithAuctiva's Counter