This 4-piece modular Cantilever Umbrella Base in Black is made from UV-stable HDPE, designed to fit any flanged cross brace base, can be filled with water (105 lb) or sand (130 lb) for stability. Includes a chrome-plated steel carry handle, features a low-profile contemporary design to fit seamlessly with Coolaroo umbrellas, and comes with a 3-year warranty.