Anchor your offset umbrella securely with this fillable Hdpe umbrella base holding up to 176 pounds of water and sand combined. The weather-resistant tank features a large inlet for quick filling, a drainage hole for emptying, and non-slip grooves underneath. The included cross bracket fits 1.5 to 1.9 inch poles for cantilever umbrellas up to 10 x 10 feet, and two cut-out handles let you reposition even when filled.