The bottom of Garden parasol base is made of resin, preventing chipping, peeling, aging, and more. Furthermore, the pole is made of steel with a powder coating that can support the umbrella steadily while withstanding outdoor elements.The outdoor umbrella stand is equipped with an adjustable fixing knob on the pole to keep your sun umbrellas upright and in place, even if your umbrella poles can't exactly match. This resin parasol base is suitable for market parasol poles with diameters of 38mm to 48mm. Please measure your umbrella pole diameter in advance to ensure that our base can fit well.The bronze outlook brings an old fashion to your garden. Enjoy your days under an umbrella with this outside umbrella stand.