15FT Large Patio Umbrella with Base: Extra-Large Shading Coverage: The 15 ft x 9 ft outdoor umbrella creates up to 133 sq. ft. of shaded area when fully open, perfect for pairing with 4-6 person patio dining sets or outdoor furniture layouts High-Quality Polyester Material: Constructed from 180G polyester, the dense canopy blocks UV rays and resists rust, fading, and tearing. It’s easily cleaned with a damp cloth for maintenance Upgraded Manual Crank System: Equipped with an improved crank handle, this 15 ft double-sided patio umbrella allows kids and seniors to open/close it within 30 seconds. The optimized manual mechanism enhances cord protection, reduces wear, and extends service life Robust and Durable Construction: Built with 5+2+5 powder-coated steel ribs, this 15ft rectangular patio umbrella with base offers strong support and rust resistance for outdoor use. A safety buckle at the top of the frame reinforces stability for large umbrellas Base Included: The elegant design of this double-sided rectangular umbrella makes it a summer essential for shading. It adapts to both residential settings (patios, gardens, pools) and commercial venues (cafes, restaurants, markets)