This 20" round resin umbrella base is made in the USA and is perfect for outdoor use. Its casual style and black color make it a versatile addition to any outdoor space, and its poly-resin construction and rust-resistant properties ensure durability. The spiral pattern and gunmetal grey finish add a touch of sophistication, while its ability to fit both 1.5" and 1.89" diameter poles makes it a practical choice for any umbrella.