Outsunny Umbrella Base for Cantilever Umbrella, 4 Pieces, Black, 176 lbs Water/264 lbs Sand Capacity Set| Aosom.com

Secure your large umbrella with this robust base from Outsunny, perfect for decks and outdoor dining areas. Composed of four sturdy HDPE pieces, this black base offers stability and protection from wind or shifting. With easy-to-fill spouts for sand or water, each piece combines to weigh approximately 200 lbs, ensuring it holds even the largest umbrellas firmly in place.