Made of High Density Polyethylene (HDPE), this base stand boasts a sturdy 4-plate design, providing stable support for your offset patio umbrella.Enjoy easy filling and storage with the unique spout design and user-friendly features of this base stand, providing stability and convenience for your umbrella.Each section of the heavy-duty base can be filled with water or sand, providing stability and resistance to winds.Made of extra-tough HDPE plastic with weather-resistant UV protection, these products offer exceptional durability and reliability in any weather condition.Each piece measures 50cm x 50cm x 7cm. When combined, all four pieces cover an area of 100cm x 100cm, providing exceptional stability for your parasol.