Keep your outdoor umbrella stable and secure with this 22-inch HDPE Premium Round Umbrella Base, a practical and durable accessory for all patio, backyard, garden and balcony umbrellas. Featuring versatile universal compatibility, this umbrella base perfectly fits 1.49-inch and 1.9-inch diameter umbrella poles, suiting most common outdoor umbrella sizes and styles for wide application. Crafted from high-quality recyclable HDPE material, it delivers exceptional sturdiness, wear resistance and long-lasting service life while being eco-friendly, perfectly adapting to long-term outdoor use. This weighted base supports two filling methods for flexible weight adjustment. It can hold up to 66.1 lbs of water or 88.2 lbs of sand, providing sufficient downward pressure to firmly fix your umbrella and prevent tipping or shaking in windy weather. Designed with a single quick-lock knob, it enables fast, tight and stable fixation of the umbrella pole without complicated operations. The built-in recessed handle allows effortless lifting, moving, installation and storage, bringing great convenience for daily use, scene switching and seasonal storage.