Cantilever Offset Umbrella Base 4pcs - 176lb Heavy Duty Water/Sand Filled Stand - Black Square Patio Umbrella Base for Outdoor Use

【Heavy-Duty Stability】: This 4-piece umbrella base set provides exceptional stability for cantilever offset umbrellas; each plate can hold up to 176lbs of water or 132lbs of sand for a total capacity of 704lbs with water and 528lbs with sand. 【Durable & Weather-Resistant】: Constructed from high-quality plastic with a UV-resistant coating; designed to withstand outdoor elements, impact, and constant movement for long-lasting use; ideal for patios, decks, and gardens. 【Easy Refilling & Portability】: Each base plate features a convenient filling nozzle and screw for quick and easy refilling, cleaning, and sealing; integrated handles allow for effortless movement and repositioning of the base. 【Secure 4-Plate Design】: The four square-shaped weight plates interlock with connecting pins to create a secure and stable base for your cantilever umbrella; prevents tipping and ensures safe operation even in windy conditions. 【Versatile Application】: Suitable for both residential and commercial use; perfect for plazas, beaches, lawns, gardens, balconies, and any outdoor space where a stable umbrella base is needed; dimensions per plate are 19.7"(L) x 19.7"(W) x 3"(H).