HEAVY DUTY FILLABLE UMBRELLA BASE - This weighted umbrella base can be filled with up to 75lbs of water or 155lbs of sand for 7.5-12ft market umbrellas, or up to 220lbs of water or 400lbs of sand for cantilever offset umbrellas, providing reliable outdoor stability. BUILT-IN WHEELS AND HANDLES - Designed with 4 smooth-rolling wheels on one side and grooved handles on the other, this outdoor umbrella stand can be tilted and moved easily around your patio, backyard, deck, or poolside area. DURABLE WEATHER-RESISTANT MATERIAL - Constructed from high-density polyethylene plastic, this heavy duty umbrella stand is built to withstand outdoor weather, impacts, and seasonal use without cracking or fading. VERSATILE AND STABLE DESIGN - Available in designs for both standard patio umbrellas and cantilever offset umbrellas, featuring secure tightening knobs or a reinforced one-piece cross-brace structure for enhanced stability in windy conditions. PRODUCT DETAILS - Material: Polyethylene. Standard Base Dimensions: 22" x 22" x 15.7"; Fits Pole Diameters 1.5"-1.9"; Empty Weight: 9.25lbs. Offset Base Dimensions: 33" x 33" x 6.7"; Pole Hole Diameter: 135/140/160mm; Empty Weight: 34.2lbs. Color: Black.