Specifications: Colour: Black; Materials: Resin, Iron; Assembled Dimension: 50.5 cm Dia. × 42.5 cm H; Compatible Pole Diameter: 3.8 cm, 4.8 cm; Shipping Weight: 21.7 kg; Assembled Weight: 20.8 kg 21 kg Umbrella Base Stand: Weighing a solid 21 kg, this umbrella base stand is crafted from all-weather resin and strong iron for ultimate durability. Its substantial weight ensures superior stability, making it ideal for medium to large umbrellas, and it’s built to withstand the elements for years of reliable outdoor use Retro and Elegant: This outdoor umbrella base, with its unadorned bronze and classic black finish, showcases a delicately rounded shape adorned with petal patterns. Its timeless design adds an elegant, vintage charm, making it a stylish complement for umbrellas of different styles and outdoor settings All-Weather Finish: The powder-spraying metal surface of this patio base stand features excellent water resistance, ensuring that the color does not fade in humid weather. There is also less worry of getting any color on cloth while carrying or on the floor when kept in storage Four Lockable Wheels: This 46 lb outdoor parasol base features four smooth industrial castors for effortless mobility. Once positioned, you can lock castors to ensure the base stays securely in place, preventing unwanted movement while keeping your umbrella steady