There''s no better way to sit back and enjoy the sun than with this umbrella outdoor patio from us. The 1.49" diameter steel pole and 6 steel ribs provide enhanced durability to this umbrella. The pole sprayed with anti-oxidation paint against rust, corrosion, chipping, and peeling, comes with a 1 mm wall thickness, providing stronger support than most umbrellas on the market. 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 to block the sun''s rays at any angle. It is even easy to use for kids and the elderly. It has an air vent at the top to stop the wind from 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). This outdoor umbrella has excellent materials and quality, 100% high-quality polyester canopy is waterproof, fade resistant, and easy to clean. It''s waterproof and ultraviolet so that you don''t have to worry about bad weather preventing you from chatting outside.