MAYPEX Patio Umbrella Base Outdoor 4PCS Square Water Sand Filled Umbrella Base for Offset Cantilever Umbrella Market Umbrella Base Stand for Most of Cross Tiles Black

*Made of heavy-duty HDPE plastic with weather-resistant UV protection coating, waterproof, stable and durable. *Convenient mounded carry grips in each plate. Fit for most of cross bases. (cross base and connectors are NOT included) *Easy-to-fill spout makes for convenient filling, cleaning, and storage. Each piece fits seamlessly into any metal cross base. *When all 4 plates are filled with just water the weight is approximately 5.39 gallons or 180 pounds of sand. Or even heavier when combined with both sand and water. *Overall Product Size: 20''Wx20''Dx3''H. Product Weight: 17 lb. MAYPEX's Service Guarantee - If you have any problems, contact with us for help.