This is our hard base weight that can be perfectly fixed. Made of Sturdy PE material and excellent blow molding technology, it can ensure weather resistance and lasting quality. Four plates are connected by 4 galvanized pins, and the sturdy 4-plate structure is very easy to disassemble and store. Most importantly, you can fill it with sand and water to ensure the stability of the umbrella. Also, the easy-to-fill large 1.5-inch water injection spouts can help you fill quickly without wasting time. The concave handle on each plate are also easy to move. And simple black appearance adds elegance to your outdoor space, perfect for patio, garden, courtyard, porch and poolside.Features:The black surface is stain resistant and easy to maintain Convenient funnel included for quickly filling Easy to assemble