The Woodlink Coppertop Bluebird Bird House is a decorative and functional addition to your backyard with several attractive features. This ornithologically correct birdhouse is specifically designed for bluebirds with its 1.5625-inch hole. The house is made from 0.875-inch kiln-dried natural cedar, with a laser-etched bluebird on the front. Other features include the zinc chromate screws, full-length anodized aluminum hinges, and a 12-ounce copper roof. Each feeder is proudly made in the USA. Weight capacity: 4 lbs. Dimensions: 8.75L x 7.75Wx 13H inches. About Woodlink At Woodlink, a lot of pride goes into making innovative products that are friendly to the environment. The goal is to be as efficient as possible to serve the customer well. Every month, Woodlink saves more than 37 trees, 8,780 gallons of fresh water, nearly 5.5 cubic feet of landfill space, and 6,585 KWH of electricity. Woodlink is the licensee for the manufacturing of birding products to the design specifications of the National Audubon Society. * Constructed from kiln-dried natural cedar * Designed specifically for bluebirds * 1.5625-inch hole size * Capacity: 4 lbs. * Overall dimensions: 8.75L x 7.75Wx 13H inches