This 15 ft double-sided patio umbrella offers 135 sq ft of shade coverage for patios, gardens, poolside, and large gatherings. It features 36 solar-powered Led lights on each rib, providing warm, energy-efficient lighting for up to 12 hours at night. A durable wind-resistant design includes a rust-resistant alloy steel pole, 12 sturdy ribs, and a cross base with sandbags for stability. The Uv50+ polyester canopy is fade-resistant, waterproof, and blocks 99.9% of UV rays. An effortless crank lift system allows easy opening and closing for adjustable sun protection and all-day comfort. Perfect for outdoor entertaining.