Patio Umbrella Base with Wheels, 53lbs Water or 66lbs Sand Filled, Heavy Duty Outdoor Umbrella Stand Holder, BlackFits Most Pole Sizes: This umbrella base stand is suitable for parasol poles with diameters from 1. 5" to 1. 9". Also, we included an adjustable knob to reinforce the pole in place, even if your umbrella's diameter isn't exactly perfect. Fillable Design: Our patio umbrella stand weighs up to 53 lbs. when filled with water or 66 lbs. when filled with sand. You can also fill the base with dry sand and then add water because the fill port on the side