An Outsunny umbrella base doesn't just help your umbrella stand up it adds a delightful accent to your patio. With a large capacity, our fillable umbrella base can weigh up to 66 lbs. when filled with water or 88 lbs. with sand. It's made of all-weather HDPE plastic with two reversible wood patterns. Two knobs secure your umbrella pole in place, allowing it to fit an array of sizes. Also, a handle built into our umbrella base makes it easy to carry when emptied. Get out, get comfy, get Outsunny.