"This Little Wren in is a hanging house designed to accommodate house wrens, one of the only species that enjoy a swinging nest box! Topped with western red cedar, this charming little cottage has a window box frame and planter with decorative flowers (removable for outdoor use). Fully functional house has a bottom panel that can be easily removed for yearly cleaning. Sturdy galvanized metal chain. Item Dimensions: 6.5" H x 8.0" W x 6.0" D:. Hole 1.125"