The Pellebant 9ft x 11ft Double Top Cantilever Patio Umbrella is a powerful and elegantly designed outdoor parasol. The unique double-top construction enhances ventilation, reduces wind resistance and improves the umbrella's stability in strong winds. The cantilevered design allows 360-degree rotation and offset, providing flexible shade positions and adjusting the shade area without moving the base of the umbrella. The base is made of high-density polyethylene (HDPE), which is strong, durable, UV and corrosion resistant, and is equipped with gimbaled wheels that allow the umbrella to be adjusted at any time. The base can be filled with water or sand to add weight and ensure the stability of the umbrella. Whether for home use or commercial locations, this umbrella provides flexible shade and rain protection for a variety of outdoor needs. Suitable for outdoor patios, decks, pools, gardens, restaurants, cafes, etc., providing comfortable shade and rain protection. Umbrella： Set includes one patio cantilever umbrella and one Base Base： Umbrella： Canopy size: 9 FT x 11 FT Base：