Four piece set: Each water filled parasol base fits together for easy storage and transportation. Suitable for Cantilever umbrellas, cross bar base is not included. Easy fill: Each piece takes up to 17kg water or 25kg mixture of water and sand. Our umbrella weights can hold up to 100kg in total to support your parasol in place. Strong HDPE plastic: Allows long-term using. Wipes clean easily. Carry handles: Easy to carry around - always empty inside before carrying to prevent straining yourself. Dimension:100L x 100W x 10.5Hcm. Plate: 66L x 45W x 10Hcm.