This half-moon umbrella base is crafted from rust-resistant resin concrete with a powder-coated metal stem, designed for enduring outdoor use. Its cast iron-look exterior features an exquisite rose pattern, adding elegant ambiance to wall-mounted semicircular patio umbrellas while balancing aesthetics and functionality. Equipped with adjustable holders, the base securely fits umbrella poles ranging from 1.5 to 2 in. in diameter. The specially designed half-moon structure perfectly aligns with all sizes of wall-mounted semicircular umbrellas, enhancing wind resistance and stability. Requiring no extra tools, it allows single-person assembly in minutes, easily adapting to courtyards, balconies, and other spaces. With all-weather durability against elements and a classic design that complements outdoor decor, this base serves as an ideal support for wall-side patio umbrellas. Color: Black.