This umbrella base provides a stable foundation for outdoor shade structures, designed for both convenience and durability. It features a fillable reservoir that accommodates sand, water, or a mixture of both, allowing users to customize the weight for optimal stability against wind. The base is constructed from robust HDPE material and includes a steel pipe, ensuring resistance to corrosion and weather elements for extended use. Mobility is enhanced by a set of 4 wheels, with 2 featuring locking mechanisms to secure the base in position once placed. The design accommodates a variety of umbrella pole sizes through included adapter sleeves and adjustable knobs, making it a versatile option for patios, gardens, and other outdoor living spaces. Its substantial dimensions offer a broad footprint for added support. Color: Black. Material: Metal.