GDPFN 15FT Patio umbrella is the perfect blend of style and function for outdoor space. Our outdoor patio umbrellas are made from a sturdy iron frame reinforced with 12 thick ribs that are rust, wind and abrasion resistant. High-density, waterproof, fade-resistant fabric adds to its beauty and durable, ensuring that it will become a staple in your garden, patio or poolside.UPF 50+ fabric block more than 99.9% of UV rays, providing a safe and comfortable outdoor paradise.The 15 ft. x 9 ft. large double sided patio umbrella provides even more shade when fully opened, with a shade area of up to 135 square feet of shade.