Backyard Nature Products Second Nature Bluebird House

This unique and durable birdhouse is constructed of 5/8″ recycled plastic material. FOUR times stronger than wood! Assembled in the U.S. by hand with screws (not nails) to withstand temperature changes. 1-1/2″ hole size features a built-in predator guard. Side opens for easy cleaning. Dimensions: 6-5/8″L x 8″W x 12-5/8″H.