Our 20'' round 23L water filled umbrella base is designed to keep your patio umbrella base stable and You do not need to worry any puff of wind which disturbing your summer relax in the shade. This water-filled umbrella base is made of sturdy HDPE material which is resistant to all weather elements and easy to maintain. What's more, it is easy to operate, and You just need to fill the water base, and then the umbrella can be held securely and evenly in your garden, patio or other places! Do not hesitate to buy one!FeatureWater-filled umbrella base standKeep your patio umbrella stable and securelyBe made of sturdy HDPE material, all weather resistantEasy clean, carry and storeEasy to operate, you just need to fill 23L water in itSpecificationmaterial: HDPE and steelproduct size: 20.0"x11"(Dia xH）suit forDia38mm or Dia 48mm umbrella pole23L water needed to fill full the umbrella baseproduct weight: 4.8lbspackage include: 1 x water-filled umbrella base