15FT Large Patio Umbrella with Base:; Covers up to 133 sq. ft.—perfect for 4-6 person patio sets and outdoor furniture layouts.High-Quality Polyester Material:; 180G dense canopy blocks UV, resists fading and tearing, and wipes clean with a damp cloth.Upgraded Manual Crank System:; Improved handle allows fast and easy open/close in 30 seconds; gentle for kids and seniors.Robust and Durable Construction:; 5+2+5 steel ribs and safety buckle add strength and rust resistance for long-lasting outdoor use.Base Included:; Elegant double-sided design fits patios, gardens, pools, cafes, restaurants, and markets for versatile shading.