Create a shaded oasis on any patio or deck with this beautiful umbrella base. Features a classic, woven pattern constructed from concrete for a durable, long lasting foundation. Its unique interchangeable sizing inserts and adjustable tightening knob provides support to most umbrellas, this stylish accessory is sure to please. Features: • Concrete construction • Powder coated finish • Durable, long lasting design • Rust and weather resistant • Classic, woven pattern • Interchangeable sizing inserts • Adjustable tightening knob • Ships ready-to-assemble with necessary hardware and toolsSpecifications: • Dimensions: 18" W x 18" D x 13" H