UV stabilized polycarbonate. Patented seed baffle with powder coated zinc die cast tops, bases and ports stainless steel wire Powder coated finish - won t chip or fade zinc die cast tops, bases and ports - to last a lifetime. New generation 15 inch sunflower & mixed seed feeder. Seeds ports are designed to keep seed within reach. The metal parts are squirrel resistant. The feeder can be hung or pole mounted.Size is 15 Inch. Dimensions are 18.75 X 5.5 X 5.5 UPC Code = 021964400538