The Backyard Expressions fillable umbrella base is a universal umbrella base that works with almost any umbrella! Our umbrella weight base has easy fill/drain openings that can be filled with water or sand. It offers a 17 liter capacity, which will be plenty to keep your umbrella achored, even on windy days. T Not only is our patio umbrella base heavy enough When filled to hold most umbrellas, it is decorative & will be a great looking and functional addition to your patio.