Esschert Design Wren Bird House - Antique Wash with Copper Roof The Esschert Design wren bird house is the perfect spot for wrens to nest Hinged door opening at the side makes it easy to clean Made of wood with copper-accented roof This is both a decorative as well as a practical item for you backyard Measures 4-3/10 by 5-7/10 by 7-9/10 inches