Malden Outdoor 114-pound Square Black Umbrella Base. The outer shell is made of high-strength resin material, which is sturdy and durable with good impact resistance, effectively protecting the internal structure. The interior is filled with Concrete, increasing the weight and stability of the umbrella base, enabling it to better support the umbrella pole and prevent shaking. The square base design provides a larger contact area, further enhancing stability and making it suitable for placement on various ground surfaces. The top is equipped with an adjustable knob, facilitating the installation and fixation of umbrella poles of different diameters, with simple and convenient operation. Handles are provided on both sides of the base, and wheels installed at the bottom (inferred from the structure in the picture), facilitating easy movement and handling, saving effort.
