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 48 lbs. when filled with water or 64 lbs. with sand. It's made of all-weather HDPE plastic with an impressive whorl of rattan patterning. Two knobs secure your umbrella pole in place, allowing it to fit an array of sizes. When emptied, this umbrella base is lightweight and easy to carry. Get out, get comfy, get Outsunny.