The wren house that lasts forever!That’s because recycled plastic lasts forever—it’s more hygienic than wood and will never warp, crack or discolor. And this house is built tough with sturdy all-screw construction! Watch the nesting begin—in a clean, safe and secure home for wrens and other small birds. Side cleanout, green and tan plastic with 10 inch vinyl coated, steel hanger. Entry hole is 1-1/8inches, house is 6-3/4 x 6 x 8 inches high.