【High Quality Material】：There's no better way to sit back and enjoy the sun than with this umbrella outdoor patio from us.【Sturdy Construction】The 1.49'' diameter steel pole and 6 steel ribs provide enhanced durability to this umbrella.【Push Button Tilt and Crank System】This umbrella has a crank handle, which can control the opening and closing of the umbrella. You can easily open and close the umbrella by rotating the rocker. And You can also press the push button to tilt the umbrella canopy for blocking the sun's rays at any angle. It is even easy to use for kids and the elderly.【Wind Vent】It has an air vent at the top to stop the wind pulling the parasol upwards. It also helps to keep you cool when you're sitting beneath the canopy while adding extra stability(base is not included).