Premium bluebird house manufactured with heavy-duty cedar lumber for superior weather resistance. Side tilts out for inspection and cleaning. Designed to specifically attract bluebirds with a 1.5 inch entrance hole. Mount the house 5-6 feet above the ground on a pole, and ensure that the entrance hole does not face the direction of storms. Spacing the houses 200 feet apart will prevent any territorial conflict. Dimensions are 2.75 X 2.75 X 10 UPC Code = 085199037006