UV protection: The large terrace umbrella cloth is made of 180g/m2 polyester fiber and has a PA coating, which can provide you with up to UPF 50+ protection, waterproof, UV protection, long-lasting, and easy to clean. Sturdy and stable frame: rust-free powder-coated 3.8cm aluminum rod and 6 steel ribs provide excellent strength support. The air outlet on the roof can circulate air and better resist strong wind. Easy to operate: The crank lifts the operating system, which is convenient for you to open and close the umbrella, and you can also tilt it by pressing the button to prevent the sun from tilting from different angles. Shading and decoration: stylish design and elegant colors will a comfortable outdoor experience throughout the year. Very suitable for gardens, swimming pools, porches, balconies, lawns and any other outdoor places. Attention and maintenance: This patio umbrella must be used with the weighted base (not including the base), or inserted into the patio table. We recommend that you store your umbrella indoors or cover it with a waterproof cover.