40LBS Umbrella Base, 21.5" Round Patio Umbrella Stand - Black Resin Outdoor Base for 9ft Umbrellas, 1.5"/1.9" Pole Diameter, Heavy Duty Stability

【Durable Resin Construction】: Crafted from robust, waterproof resin material; resists aging, fading, and UV damage for long-lasting outdoor use; the powder-coated metal pole provides rustproof support and stability 【Universal Compatibility】: Accommodates most 9ft patio umbrellas with 1.5" or 1.9" pole diameters; includes two adapters for versatile compatibility with various umbrella types; suitable for market and table umbrellas 【Heavy-Duty Stability】: Weighing 40lbs with a 21.5" diameter; offers exceptional stability in windy conditions; features an adjustable fixed knob to prevent wobbling and securely hold the umbrella pole 【Effortless Assembly】: Simple and quick setup with all parts and tools included; no water or sand filling needed; easily install the supporting pole, tighten the screw, select the adapter, and secure the umbrella 【Versatile Outdoor Use】: Ideal for patios, poolside areas, beaches, terraces, decks, lawns, and gardens; adds a touch of elegance to both residential and commercial spaces; perfect for coffee shops and other outdoor venues