Shademobile Rolling Umbrella Base, Sandstone Fits 1-3/8in to 2-1/16in diameter umbrella poles Made of durable, maintenance-free, high-density polyethylene, which will not rust or chip and requires no maintenance Rolls easily on 4 high-quality non-marking wheels (2 are locking) which allow it to turn and pivot with ease Fill with Bricks or Sand up to 125 lbs. (not included) Made in the USA