FOUR PIECE SET: Each water filled parasol base fits together for easy storage and transportation.STRONG HDPE PLASTIC: Durable for years to come. EASY TO MAINTAIN: Can be wiped clean in an instant.EASY TO USE: Fill up and go.SUITABLE FOR HOME AND COMMERICIAL ENVIRONMENTS: Our umbrella weights can be used in gardens, restaurants, pubs and coffee shops etc.DIMENSIONS: 48L x 48W x 8Hcm (Each piece) HOLDS 52KG WATER WEIGHT. HOLDS 60KG SAND WEIGHT. HOLDS 70KG SAND-WATER MIXTURE WEIGHT.