This detachable four panel umbrella base has metal interlocking fittings that securely connect each panel for a stable foundation for cantilever umbrellas. Made from HDPE that resists UV, oxidation, corrosion, and cracking for long lasting performance. Each plate fills with water or sand, reaching 120 lbs per plate with water or 220 lbs total with sand or water for wind resistance. Four panels easily disassemble and stack for compact storage. Each plate is easy to carry and reposition on grass, sand, concrete, or decking. Adapts to patios, gardens, and poolside areas wherever shade is needed.