● Premium Material for Durable Use: Constructed of durable PE material and sturdy 4-plate construction this hard base weight can support the offset or patio umbrella firmly. After an excellent blow molding process it also has weather resistance and long-lasting quality which can protect from sun rain and fading. ● Amazing Maximum Weight and Size: After each plate is filled with water the entire base weight can weigh up to 350 pounds. This allows the plate to add the extra weight needed to improve the stability of the umbrella in strong winds conditions. In addition the large size panel of 41" x 41" x 5.5" provides additional stability. ● Easy to Fill and Carry: Each plate has a large-diameter water inlet making this umbrella base weight very easy to fill with water. It can be done in seconds without wasting too much time. Moreover the concave handle on each plate can also be easily lifted and carried. Especially convenient for storage when not needed. ● Unique Styling and Versatile Design: Featuring a distinctive octagon shape and stylish textured surfaces this elegant base weight can match any surrounding decor and add glamour to your outdoor space. Reliable umbrella base weight can be used in multiple scenarios perfect for patio garden courtyard porch and poolside. ● Simple Assembly and Maintenance: Our product is a block assembly mode that is very suitable for disassembly and assembly. Each plate can be connected by 4 connectors and a heightening pad with slots on both sides to ensure tight fastening without moving. We will also provide 4 screws for assembly. The black surface is very resistant to dirt and easy to maintain.