Patio Umbrella Base Water & Sand Filled Weighted Stand Outdoor Base Windproof for Cantilever, Pool, Backyard, and Beach (Square 40"x40")

✅HIGH-QUALITY CONSTRUCTION: Our umbrella stand is made from durable HDPE plastic with a UV and weather-resistant coating, ensuring years of use; The high-density plastic can handle impacts and movement; Plate dimensions: 20.1" x 19.9" x 2.8". ✅4 SQUARE PLATES FOR STABILITY: The feather flag stand weighted base design includes four square plates that securely fit your umbrella's crossbar base; Four iron pins are included for stability, making it ideal for most cantilever offset patio umbrellas. ✅EASY TO FILL & LEAKPROOF: Each plate of half round umbrella outdoor balcony with stand has easy-to-fill spouts and four twist caps with rubber seals to prevent water leakage, making filling, draining, and cleaning a breeze. ✅LARGE CAPACITY FOR STABILITY: Each plate can hold up to approximately 3.6 gallons of water or about 45.2 pounds of sand, umbrella base stand providing a total capacity of approximately 14.2 gallons of water (118.6lbs) or 181 pounds of sand; This heavy base ensures stability, even in strong winds. ✅CONVENIENT TO CARRY & STORE: With an embedded handle, it's easy to move all four pieces; When not in use, stack umbrella stand base for compact storage.