" This heavy-duty 4-piece detachable umbrella base is designed to provide maximum stability and support for your cantilever or offset patio umbrellas. Each plate can hold 42 pounds of sand or 11.3 liters of water, or a mix of both, ensuring your umbrella remains secure even on windy days. Made from durable PE plastic, this base is resistant to cracking and caused by outdoor exposure. The easy-fill spouts with twist caps allow for quick and mess-free filling, while the water-tight seal ensures no leakage. Ideal for residential and commercial use, this base offers long-lasting reliability and performance. Important Note: To ensure maximum stability, we recommend filling each plate with a mix of water and sand. The twist cap provides a waterproof seal to prevent leaks when using water. "