Like New/Box Open Condition Resin Patio Umbrella Base in Black with Wheels The umbrella base will easily solve the problem of wobbly patio umbrella. With lockable wheels, you can move it from one place to another. It fits with both 1.5 in. & 1.9 in. Dia umbrella poles. You can use it directly without filling sands or water. Resin umbrella base is weather-resistant Four 360° rotated wheels and 2 of which are lockable 2 removable plastic inserts, fits 1.5 in. and 1.9 in. Dia umbrella poles