Umbrella base 175lbs, Requires Cement Fill by customer. Beautiful Fiberglass molded base with gel-coat finish. This umbrella is heavy and designed to receive up to 1 1/5" umbrella poles. Use for free standing installations. Comes with aluminum sleeve for pole support, Scuff resistant Gel Coat finish. 175 lb models ship empty or filled at customer's preference. Easily filled on site with concrete. Large 27" diameter for Freestanding Stability (instructions included) (Call if you want it shipped filled).