Color/Finish: Black Design Details: Take Your Family Dinner Outside On Your Patio Table And Under An Umbrella With This Square Umbrella Base. This Stylish, Geometric Design Umbrella Base Creates The Perfect Foundation For Holding An Umbrella And Keeping You In The Shade. With Interchangeable Sizing Inserts And An Adjustable Tightening Knob. This Umbrella Base Made Of Durable Polyresin Can Support Most Umbrellas. Measures 18In X 18In X 13In Assembly Required Imported