This square poly resin umbrella base offers a decorative, high end touch to your outdoor living space while also performing a necessary task of holding your umbrella in place. With an attractive decorative spiral pattern and gunmetal grey finish this piece adds charm and elegance to any patio. Made from poly resin, this piece is rust-resistant and made to last for years. Set up your outdoor patio today with a beautiful umbrella and keep it secure with a very durable umbrella base. Includes a coupler to allow it to fit 1.5" to 1.89" diameter umbrella poles. Includes a hand-turn knob for securing umbrella to the base. Made from poly resin, this piece is rust-resistant and made to last for years. Includes a hand-turn knob for securing umbrella to the base. Fits for diameter 1.5" and 1.89 pole. Product Size: (W) 21.45 in. x (D) 2.45 in. x (H) 14.17 in.