As a furniture expert, YITAHOME is committed to providing customers with beautifully designed furniture that combines beauty, functionality, economy, and durability. Meanwhile, we also focus on providing customers with a pleasant shopping experience. Come to YITAHOME to find the perfect furniture to refresh your home and inject style and comfort into your life.FeaturesUmbrella Base IncludedThis double-sided patio umbrella comes with a durable umbrella base, including 1 cross base, 1 top cover and 2 sandbags (made of 300D Oxford fabric), so you don't need to buy it separately. For stability, each bag can be filled with sand.Quality Vented Canopy This outdoor patio umbrella can effectively resist UV rays, sun protection, water & fade resistance, and create a cool sunshade atmosphere.Sturdy FramePowder-coated steel pole and 12 steel ribs provide stability and stronger support for the umbrella. Please close and fasten the umbrella when it is windy and rainy to extend its service life.Easy Crank MechanismThe manual crank mechanism is easy to control. You can easily open and close the umbrella in a few seconds by turning the handle.Easy AssemblyThe 15ft large patio umbrella can be installed quickly in a few minutes. Safety measures and professional installation are highly recommended.