• High-quality resin material for excellent weather and sun protection • Weather resistant resin construction • Fit 1.5" and 1.9" poles for wide umbrella compatibility • Adjustable knob for firm and stable pole fixation • Exquisite decorative surface for upgrading outdoor overall aesthetics • Anti-slip bottom pads for floor protection and stable placement • Complete matching accessories for quick and tool-free assembly • Metal support pole for enhanced overall structural stability • Suitable for indoor and outdoor scenarios for diverse usage demands • Assembly needed