Umbrella Base, Overall Diameter 20 in, Includes Wheels No Wheels, Stem Height 10 in, Color White, Material Cement, Resin, Maximum Weight 35 lb, For Pole Diameter 1 1/2 in, Features Optional 35 lb Ring for Increased Stability, UV , Will Not Rust or Mar, Includes (2) Thumb Screws, Molded Anchor Bolt Holes, Ballast Required No