Features:

• Weight plates are made of sturdy HDPE plastic which is easy to carry before filled
• Steel cross base 
• 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
• Assembly required 

Specifications:

• Material: Steel, HDPE
• Colour: Black
• Overall Dimension: 31.5"L x 31.5"W x 19.75"H
• Each Plate Dimension: 15.75"L x 15.75"W x 5"H
• Each Plate Volume: 4 Gallon
• Pole Dimension: Φ2" x 19.75"H