This heavy-duty patio umbrella base is a versatile and reliable solution for securing your outdoor umbrellas. Designed to be filled with up to 220 pounds of sand or 26 liters of water, it provides exceptional stability in all weather conditions. The high-quality, durable polyethylene plastic construction ensures long-lasting performance, while the included galvanized steel pipe resists corrosion and maintains its firmness over time. This multifunctional base is compatible with a wide range of patio and market umbrellas, featuring two adjustable knobs to securely hold poles with diameters between 1.5