1 in, 1.5 in, 1.9 in

Each one features 4 wheels (2 are lockable) and fits most 6-12ft umbrellas with poles sized 1.0/1.5/1.9in. Windproof Design – This windproof weighted umbrella base can be filled with up to 225 lbs. of sand or 80 liters of water to keep your umbrella upright and in place during windy conditions.