No need to worry about wind disturbing your summer relaxation in the shade with this 4pc umbrella weight base from Outsunny. This 4-piece set is made from durable steel and HDPE material, resistant to weathering and easy to maintain. All that's needed is to fill the base with water or sand, and then the base will hold the umbrella securely and evenly in your garden, patio, or other outdoor sanctuary. ● Weight plates are made of sturdy HDPE plastic, durable and easy to carry before filled - Steel cross base and pole for robust and durable use - Steel pole fits umbrella pole of 2" diameter - Each base with 4 gallon capacity for you to fill with sand or water - Spouts on each base for easy filling and cleaning - Easy to clean, carry, and store - Hold umbrella securely and evenly in your garden, patio or other outdoor spaces ● Material: Steel, HDPE - Color: Black - Overall Dimension: 31.5"L x 31.5"W x 22"H - Each Plate Dimension: 15.75"L x 15.75"W x 4.75"H - Each Plate Volume: 4 Gallon - Total Weight: 158 lbs. (Sand), 132 lbs. (Water) - Pole Dimension: Φ2" x 19.75"H - Note: Please measure your umbrella pole diameter in advance to ensure that our base can fit well