31LBS Umbrella Base Outdoor, 18 Inch Round Patio Umbrella Stand, Heavy Duty Resin Base for 9ft Umbrellas, Black

【Durable Construction】: Crafted from waterproof and anti-aging resin material; features a high-strength, powder-coated metal pole resisting rust and chipping; ideal for long-term outdoor use and various weather conditions. 【Universal Compatibility】: Accommodates most 9ft patio umbrellas with 1.5”/1.9” pole diameters; includes two adapters for versatile fitment; suitable for patio table umbrellas and diverse outdoor setups; ensuring broad usability. 【Superior Stability】: Weighing 31 lbs with an 18” x 14” (Dia. x H) base; provides exceptional stability even in windy conditions; adjustable fixed knob further secures the umbrella pole, preventing wobbling for reliable shade. 【Effortless Setup】: Designed for quick and easy installation; simply assemble the supporting pole, tighten the screw, install wheels and adapter, then insert and secure the umbrella pole with the knob; requires no water or sand filling for convenience. 【Versatile Outdoor Use】: Enhances patios, poolside areas, beaches, terraces, decks, lawns, and gardens; sleek design complements any outdoor décor; suitable for a wide range of outdoor scenarios and provides a stylish foundation for shade.