Stainless steel wire; UV stabilized polycarbonate tube; metal die castings; metal perches; seed baffle; threaded base 30 Use sunflower mix or a good blend. Pole mount is not recommended. Threaded base allows addition of tray or other accessories. Classic sunflower / mixed seed feeder. Holds 1 pound of seed, offers durable polished pewter power coated metal parts that squirrels can t chew. Made in the usa. Covered by the droll yankees lifetime warranty.Size is 30inch. Dimensions are 16 X 16 X 18 UPC Code = 021964102203