Read more Bigroof 15ft Rectangular Patio Umbrella Bigroof large outdoor patio umbrella with a extra large deck can provide a 15 ft (L) x 9 ft (W) shade. With a durable structure and a heavy-duty umbrella base, enhance the stability of the umbrella. High-quality 100% polyester canopy is waterproof and UV resistant. Great for any outdoor area! Features 15ft patio double sided umbrella provides great coverage; Outdoor umbrella with base, enhanced stability; Powder coated metal frame, specially designed for outdoor use; High-quality polyester canopy, fade-resistant & UV protected; Crank lift handle for easy opening and closing; Easy to assemble & easy to use. Tips Fill two sandbags with sand and place them on the base before you raise the umbrella. Please do not try to use the outdoor umbrella, when it is windy and rainy. Please store your umbrella in a cool and dry place indoors. Specification Color: Dark Red Shading Area: 15(L) x 9(W) FT Total Height: 7.8(H) FT Pole Material: Steel/1.89" diam Umbrella Ribs: 5+2+5 steel ribs design Umbrella canopy material: 180G Polyester Fabric Crank: Hand-crank lift system Gross Weight: 41.9lbs/19kg Read more Sturdy steel ribs 12 rust-resistant steel ribs provide a strong support. When using, please insert the umbrella pin to increase the safety Smooth crank mechanism Crank mechanism, easy to open and close. Provide more convenience. Two screws add extra support The two screws under the umbrella pole provide extra support and stability. Please fix them before use. Read more Easy to assemble umbrella base! Read more Suitable for all kinds of outdoor occasions, meet your both commercial and family needs!