This square outdoor cantilever umbrella base is the perfect blend of durability and functionality, designed to provide reliable support for your cantilever umbrella. Constructed with high-density polyethylene, this base is built to withstand the elements, ensuring long-lasting performance in any weather condition. Its innovative cross base design offers exceptional stability, keeping your umbrella securely in place even on windy days. One of the standout features of this base is its fillable capacity, allowing you to add up to 220 lbs of water or sand for maximum stability. This feature is particularly beneficial for maintaining the umbrella's position and preventing it from tipping over, providing you with peace of mind during use. The central locking mechanism, equipped with a convenient tightening knob and secure lever, ensures easy attachment and precise adjustment of the umbrella pole. Moreover, this base supports a 360-degree rotation for your cantilever umbrella, offering optimal shade coverage throughout the day. This rotational feature enhances the functionality of your umbrella, allowing you to effortlessly adjust its position to block the sun from any angle, ensuring a comfortable outdoor experience. Whether you're setting up your umbrella by the pool, on the patio, or in the garden, this umbrella base with its versatile cross design and 360-degree rotation capability guarantees that your outdoor space remains both stylish and secure. Color: Black.