This umbrella is made of a thick steel pole and quality polyester, which is antitrust, water resistant, and great for outdoor use. The 15ft patio double-side umbrella provides ample shade to keep you cool and protect you from the hot sun. The extra-large double-sided design also matches your desk and chair and provides more shade area. Assembly is easy and can be done without the aid of tools.Features:��With More Shade��: 15ft double-sided patio umbrella provides extra-large shade for your family and friends, which is ideal for both residential and commercial locations��Easy to Use��: With an easy crank lift for smooth opening and closing. Umbrella Base is included and can also be used with a table or side patio furniture set��100% Polyester Canopy��: Casa Inc. double-sided outdoor umbrellas canopy are made of 100% polyester fabric that can be water-resistant, breathable, long-lasting, fade-resistant, UV protective, and easy to clean��Durable Frame Design��: Powder-coated steel poles and 12 rust-resistant steel ribs enhance this large umbrella''s durability. Pole diameter: 1.9"(48mm)��Dimensions��: 15(L) x 9(W) x 8(H) Feet; With a high-quality package in transit and a 1-year warranty against manufacture defects; Attention: Please close and tie up the umbrella when you don''t want to use it, especially in windy and rainy days, so that expanded service time��180Days WARRANTY��: If there''s an issue with the product, please contact our service team via email. Satisfactory solutions are promised.Product SpecificationsExtra-large size: 15(L) x 9(W)x 8(H)Diameter of umbrella pole: 1.9"Net weight: 38.5lbsBase size: 2.4 ft x 2.4 ft x 0.5 ftBase: Cross base plus two sandbags and one top cover2 fully filled sandbags weigh 220 lbs in totalBase included!!! All you have to do is fill it with sand.Package includes:1 x Patio umbrella1 x Cross base2 x Sandbags1 x External cover1 x Instruction