Cedar wood, metal. Handcrafted natural cedar with metal port. Bird feeder with an easy-open front for cleaning, and proper ventilation and drainage. The 1-9/16-inch entrance hole is ornithological correct for the eastern bluebird, mountain bluebird, and western bluebird. Has an easy-open front for cleaning, and proper ventilation and drainage. Made in the usa.. Dimensions are 7.5 X 7.25 X 13 UPC Code = 715038302025