Ultimate Bluebird House has quality craftsmanship. This Bluebird House features rust-proof hinges and heavy construction. You can expect it to serve your flock for years to come. Anchors away from nest to prevent disturbing the nest and family. Gives you an excellent view for your bluebirds. Brass cup washers behind all screws. Zinc chromated screws. 7/8" kiln dried inland red cedar with routed and sanded edges. Size: 15" x 7 1/4" x 8 1/4".