Nature"s Way Bamboo Wren Box House, Box Wren House is made of solid Cross-ply bamboo and stainless steel screws, This house features extra air vents, clean-out doors, and a 1"" entry hole, This wren house can be pole or flush mounted, and includes a water-based protective stain, Dimensions: 7, 9"" x 5, 5"" x 8"", SKU: GC15692