The Outsunny patio umbrella with base is a perfect choice to add shade during warm weather conditions or anytime you need a little extra shade. The anti-UV canopy offers the maximum sunshade and blocks harmful UV rays. Constructed with the rust-free steel pole and 12 heavy-duty steel ribs, this double patio umbrella is superior in strength and durability. The manual crank handle allows you to easily open and close the umbrella at your convenience. Don't let sun exposure ruin your afternoon.