The 4 piece parasol base stand provides proper stability and is effortless to set up. Each piece can be filled with either water or sand, adjusting the weight to your needs accordingly. Made from highly durable synthetics, which are resistant against UV rays and diverse weather conditions. Functional 4-piece set of base weights Crafted from durable synthetic materials can be filled with water or sand Easy to use, fits most umbrellas Resistant to the elements and easy to maintain material Ensures stability of a parasol