This is the hard base weight that can be perfectly fixed. Made of durable 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 t