Enhance your outdoor space with this robust and durable patio umbrella base, crafted from waterproof, anti-aging, fade-resistant, and Uv-resistant resin material. The high-strength powder-coated metal pole ensures it won t rust, peel, or chip. Designed to fit various umbrella sizes, it includes 2 adapters suitable for most 9 ft patio umbrellas with 1.5""/1.9"" pole diameters. The heavy-duty base measures 18"" x 14"" and weighs 31 lbs, providing stability and security with an adjustable fixed knob. Easy to install without the need for water or sand filling, it's perfect for patios, poolside areas, beaches, terraces, decks, lawns, gardens, and more.