This concrete filled 70 lb. umbrella base is recommended for under a table use. This requires a 14.5″ sleeve to hold the umbrella pole. Composed of commercial grade resin-coated plastic and available in black, white, or bronze. This base fits umbrellas up to 1.5" in diameter and two tightening knobs hold the umbrella in place. The removable double ring design allows for quickly rearranging your outside area.