Cool off your summer days with this large cantilever umbrella set. With a unique handle design for the crank system and foot pedal for the swivel system, there are 6 heights and angles to choose from and the foot pedal rotates 360 degrees for easier control of the shade area. The umbrella is highly stable and has a double top design with vents to help dissipate heat and increase air circulation so you don't feel stuffy in the heat.It also comes with a suitable base, which can reduce the hassle of choice.The fillable patio cantilever umbrella base with wheels is the perfect solution to keep your 360° rotating patio offset umbrella secure. The wheels let you move the umbrella easily to rearrange your patio or poolside, bring it inside for the winter, or find a spot for shade. Please note: Set includes one patio cantilever umbrella and one base You need to sort crossed ribs before open the umbrella, in case umbrella ribs and cord break when opening The umbrella should be lowered and secured in windy conditions or when not in use The base is best filled with sand or sand & water mixed, so that the umbrella can be fixed more firmly Set includes one patio cantilever umbrella and one base Umbrella: Pole material: powder coated metal in brown finish 100% 250gsm polyester fabric 360-degree rotation with foot pedal for convenient use Freely adjust heights and tilt positions (6-level) for block the sun at various angles Easily open and close with crank handle Air vent allows enough air flow and ensures the umbrella stability With double top canopy Base: Durable HDPE Material Easy to move with 8 built-in wheels Can be filled with water, sand, or sand & water mixed Convenient bottom grooved for lift and carry Umbrella: Canopy size: 9 FT x 11.5 FT Base: Overall Dimensions: 33.86" L x 33.46" W x 7.87" H Diagonal distance of screw hole: 6.3 inches