Are you still bothered by the harsh sunshine when you enjoy the outdoor lounge time? Our 9ft patio umbrella is effective at blocking the sun thanks to premium polyester fabric. It also shows great performance in fade resistance to provide years of elegance. Furthermore, our umbrella is supported by a solid aluminum pole and 8 sturdy ribs, which is not easy to shake and deform. The special air vent design can facilitate air flow and make you feel cool and comfortable in hot summer. In addition, with convenient crank mechanism, the opening and closing becomes very easy. And you don t need to worry about the assembly since it is fairly easy with no tools required.