Compatible and versatile umbrella base! This umbrella base consists of a powder-coated heavy metal structure that has excellent stability and durability. Moreover, the 68 kg large capacity enables you to fill the base with sand or soil to withstand windy weather. The base has two adapters to match with 39 mm-48mm poles and 7.5 ft-11 ft patio umbrella, and you can keep the pole firmly in place with the hand-turn knob. The simple installation steps will not take you much time. Thanks to the unique box design, our umbrella stand can also be used as a garden flower box. The drainage holes at the bottom prevent excessive water accumulation from affecting the free breathing of plant roots. In addition, considering that you may often use the umbrella outdoors, our umbrella stand has two wheels, allowing you to easily take it to the poolside, patio, garden.