Umbrella Stand Base 221lbs, 4-Piece Outdoor Patio Offset Umbrella Weight, Heavy Duty Square Water/Sand Refillable Base with Lock Pins

【Heavy-Duty Stability】: This 4-piece umbrella base provides up to 221lbs of weight when filled with sand or water; ensuring exceptional stability for offset and cantilever umbrellas even in windy conditions; ideal for patios, decks, and gardens. 【Durable Construction】: Crafted from high-density HDPE plastic with a UV- and wear-resistant coating; this base is built to withstand outdoor elements; offering long-lasting performance and resistance to scratches, fading, and cracking; providing years of reliable use. 【Easy Setup & Refilling】: Features a fill-set-lock design with manually openable spouts and watertight seals for quick and easy refilling; includes four locking pins to securely connect the plates and maintain constant stability; simplifying the setup process. 【Convenient Design & Storage】: Integrated easy-grip handles allow for effortless movement and positioning; the stackable plates enable compact storage when not in use; maximizing space and convenience; perfect for seasonal storage or limited outdoor areas. 【Large Size & Compatibility】: Measures 39.9 x 39.9 inches, making it suitable for larger outdoor spaces and a variety of umbrella types; compatible with offset and cantilever umbrellas; please verify dimensions before purchase to ensure proper fit; crossbar not included.