Keep your outdoor umbrella securely in place with this mobile patio umbrella base. Constructed from durable HDPE in a sleek black finish, this square base measures 24 in. x 24 in. and features a 5 in. thick body designed to be filled with water, sand, or a combination of both for dependable stability. The large internal reservoir holds up to 91 lbs. of water, 110 lbs. of sand, or 132 lbs. of water and sand together to firmly anchor umbrellas from 6 ft. to 10 ft. in diameter. For easy mobility, the base is equipped with three built-in wheels, including one universal wheel and two directional wheels, so you can smoothly roll your umbrella around patios, pool decks, backyards, and terraces. A retractable pull rod with an ergonomic handle extends from 24 in. to 36 in., allowing you to comfortably transport the base without lifting. When you reach your desired location, simply lift the rod to retract the wheels and lock the base securely in place. The integrated umbrella tube and included adapters accommodate pole diameters of 1.34 in., 1.5 in., and 1.89 in., providing a snug fit for most standard market umbrellas. Weather-resistant HDPE construction is engineered to withstand outdoor elements and resist cracking or fading over time. With its combination of heavy-duty fill capacity, smooth-rolling transport, and universal compatibility, this fillable umbrella Whether you need a umbrella base weighted, this option delivers quality construction and dependable performance. Color: Black HDPE base with black pole sleeve and pull handle. Material: HDPE (High Density Polyethylene).