BUILT IN MOBILITY: Built-in wheels make it easy to move your umbrella without straining or lifting, ideal for adjusting shade throughout the day or rearranging your outdoor setup 123LB WEIGHT CAPACITY: Holds up to 123 lbs when filled with sand or water, offering strong, reliable support and designed to keep your umbrella steady all season long UNIVERSAL FIT FOR 6–15 FT UMBRELLAS: Includes 3 adapters to accommodate umbrella poles of various sizes 1.3" - 1.9", making it compatible with most standard patio umbrellas, from compact 6 ft models to large 15 ft canopies QUALITY CONSTRUCTION WITH DOME DESIGN: Crafted from weather-resistant materials, this base features a sleek dome design that enhances stability and prevents water pooling and was built to withstand outdoor elements, providing lasting performance season after season OVERALL DIMENSIONS: 22"(L) x 22"(W) x 18.75"(H)