The size of this cantilever patio umbrella is 8' X 8',provide plenty of shade for optimal coverage,perfect for hanging over outdoor patio furniture sets Our offset patio umbrella is easy to opening and closing with the press of a button.Foot pedal design allows for complete 360 degree rotation,the 8ft square canopy provides maximum coverage from the moving sun Built with powder coated steel pole against rust,corrosion.8 thickened cast iron ribs provide the best support,while the triangular frame make the umbrella more stable The 8ft square canopy is made of 220g solution-dyed polyester fabric with PU waterproof coating,which is UV-resistant to protect you skin from harmful.The vented design can help wind and heat ventilation Please Note:Cross base included,weighted base in the picture is NOT included.In order to stabilize this type of umbrella,you must purchase a weighted base separately We recommend you to store the umbrellas at night or during extreme weather conditions.If you have any questions, please feel free to contact us, we will reply you in time