FOUR-PIECE BASE: Made for cantilever banana parasols, this water filled parasol base keeps your summer garden umbrella upright and in place to provide shade outdoors/in the garden. Cross base not included.WATER/SAND FILLED: Our umbrella weights weigh 56kg when filled with water, 72kg when filled with sand, and 84kg water/sand combo - simply fill fully for it to be heavyEASY TO USE: Each weight plate features a filling port and a screw cap: easy to fill up, easy to empty.THICK PLASTIC: HDPE is tough and sturdy, the parasol weights are suitable for outdoor use. Hooks on each piece to keep connected together.DIMENSIONS: 8.3H x 103L x 103Wcm. Single plate: 50L x 50Wcm. ASSEMBLY REQUIRED.