Sunnyglade 4PCS 176LB Square Shaped Water Or Sand Filled Umbrella Base Cantilever Offset Patio Market Umbrella Base Stand with U Locking (Black)

Made of heavy-duty HDPE plastic with weather-resistant UV protection coating, waterproof and stable Easy-to-fill spout makes for convenient filling, cleaning, and storage Sturdy 4 square plate construction supports your offset patio umbrella stand perfectly Can be filled with 60kg of water or 80kg of sand so that plates provide additional weight keeps your cantilever umbrella stable Perfect for all kinds of cantilever offset patio umbrellam(Cross bar base is not included). Overall Dimensions: 39.7"(L) x 39.7"(W) x 3"(H)