At PURPLE LEAF, with regards to 11 ft outdoor sun umbrellas, you can find round, square, rectangular, as well as single tops and double tops. These large cantilever umbrellas are known for their practicality and durability. They can cater to both residential and commercial use, and you can see these treasure umbrellas in gardens, outside decks, porches, and swimming pools. Get them now according to your actual needs! Even large umbrellas can enjoy free shipping.