Peterson-style Bluebird House is made of insect and rot resistant premium cedar and stainless steel screws. This house features extra air vents, clean-out doors, elevated mesh floor, predator guard, fledgling skerfs, and a 1 3/8 x 2 = inch entry hole. This bluebird house is for pole mounting, and includes a water-based protective stain and Natures Way Bird Products exclusive 5 year warranty!