This attractive 42-lb Resin Square Umbrella Base from Island Umbrella can hold up to 10-ft market patio umbrellas. Crafted from impact and weather- blended poly resin, this base won't rust or crack. It features a brown textured corrosion- finish that will never need to be repainted. The rust-, powder-coated stem design has a built in tension knob to firmly secure your umbrella pole in place. Accommodates up to 1.89-in diameter poles. An affordable alternative to more expensive metal base designs!