Nature"s Way Bamboo Bluebird Peterson House, Peterson-style Bluebird House is made of solid Cross-ply bamboo and stainless steel screws, This house features extra air vents, clean-out doors, elevated mesh floor, predator guard, fledgling skerfs, This bluebird house is for pole mounting, and includes a water-based protective stain, Dimensions: 11"" x 6"" x 18"", SKU: GC15989