This wheeled patio umbrella base boasts practical and user-friendly design. It features a 4-wheel structure with dual lockable wheels for effortless mobility and stable fixation. The base can be filled with water, sand or their mixture via a large filling port for easy refilling, supporting a maximum load of 100 lb. for excellent wind resistance. Constructed from durable HDPE material and steel pipe, it is weatherproof and corrosion-resistant for long-lasting use. Equipped with three sleeves of different calibers and adjustable knobs, it fits most umbrella sizes and allows for easy installation. The steel pipe can be stored inside the base for great portability. With a sleek modern design, it complements various outdoor spaces including courtyards, gardens, patios and swimming pools, suitable for both residential and commercial use, making it a practical companion for outdoor shading. Color: Black. Material: Polyethylene.