Made of high-quality HDPE material, which is weather-resistant and not easily deformed, this 4-piece square umbrella base can last for a long time. The 4 separate plates can be put together quickly to fit your umbrella cross-bar base(not included). With an easy-to-fill spout, large-capacity water and sand can be filled to enhance stability and wind resistance. But the umbrella base is surprisingly lightweight before being filled with water. Moreover, it comes with a hidden handle to make it easy to carry. And the 4 plates are stackable, making it easy to store when not in use. If you are looking for such a product, do not hesitate to buy it! Weather-proof Material: Constructed of all HDPE material, the square umbrella base is resistant to various weather conditions to support a long lifespan. Besides, the premium material is rugged enough to endure strong impact. 4-Piece Base Weight Set: Equipped with a 4-piece square umbrella base plate set, the cross base (not included) of your offse