Patio Umbrella£ºEasy ad justment,a hand-crank lift and easy-tilt system allow you to adjust the shade and block the sun at all angles, keeping the area protected throughout the day, long lasting,easy to clean.360 Degree Rotation£ºThe middle of the umbrella pole can be rotated by 360°, perfect to avoid ultraviolet rays. wind vent at the top to allow air flow and reduce wind pressure to enhance stability,PLEASE BE AWARE there's a cross base but weight base not included.Durable Material£ºThis patio umbrella is made of a mixture of strong material and a waterproof outer layer,prevent oxidation and scratching,plus a water- and fade-resistant polyester fabric shade for years of vibrance,Provides better wind resistant stability