Ensure your patio umbrella stays securely in place with this heavy-duty round umbrella base. Capable of holding up to 83 lbs of sand or 19 liters of water, this base provides excellent stability for your outdoor umbrella. Constructed from high-density polyethylene (HDPE) plastic and featuring a galvanized steel pipe, this base is designed to withstand various weather conditions for long-lasting durability. The base fits umbrella poles with a diameter of 1.38" to 1.89" and is perfect for both market and patio umbrellas. It's easy to assemble, and the steel tube can be disassembled for compact storage when not in use. Important Note: For best stability, mix water and sand to fill the base. Ensure the water cap is tightly sealed when using water to avoid leaks.