The BIGTREE 9Ft Patio Umbrella is designed to perform well in various weather conditions. It features a durable fabric that resists fading, UV, and water, and an aluminum pole with an anti-rust coating. The umbrella also has all-iron ribs with a polyacrylate coating for improved water resistance.

For better stability, the umbrella has an air vent on top that allows air and heat to circulate and reduces wind pressure. You can easily open and close it with the integrated crank system. A nylon strap is also included for quick closure when not in use.

To adjust the shade, you can use the hand-crank lift to block the sun at any angle. Just remember to store the umbrella away on windy or stormy days.

The umbrella has a wind vent on top that allows for wind ventilation and heat dissipation, making it more comfortable to use. You can tie it down with straps when not in use, and consider using a stand or weighted base to keep it in place. You can also cover it when not in use to keep it in good condition.

The umbrella has a sturdy structure made of strong metal material, ensuring your safety while using it.

Note that this item cannot be shipped to Alaska, Hawaii, or PO Boxes. It comes with a 90-day limited warranty.