This umbrella base is designed to be filled with water or sand for ballast. It serves as a firm and sturdy base for holding your umbrella. The parasol stand has a water inlet and a water outlet with caps. It can be filled with 4 gal of water or 39.7 lb of sand. Without the filler, the umbrella base is light in weight, which makes it easy to carry and store thanks to the handle design. With our umbrella base, your umbrella will stay put! This product ships in approximately 1 days