Our umbrella base is ideal for holding your umbrella securely and evenly in place. It is really a practical addition to your backyard or your patio area. Includes a coupler to allow it to fit 35mm to 40mm (by removing the adapter) in diameter umbrella poles.FeatureHolding Your Umbrella Securely And Evenly In Place Beautiful Decorative Pattern And Bronze Finish Cast Iron Construction Rust-Resistant For Long Life-Time Assembly RequiredSpecificationRound Base Size: 17 3/4'' Steel Upright Size: 58mm & 9 4/5''Hight Package Size:19''x19''x4'' (LxWxH)Steel Upright Size: 58mm & 9 4/5''Hight Weight:23lbsRound Base Size: 17 3/4''Weight:23.6lbsPackage Include: 1x15x3/4'' Round Diameter Umbrella Base Color: Bronze Material: Cast Iron R Package Size:19''x19''x4'' (LxWxH)