SummerHawk Ranch Barn Asphalt Chicken Coop, Vintage Red Hand built from sustainably harvested, naturally weather and pest-resistant fir Simple enough for one person to assemble in about 45 minutes with an electric screwdriver Expandable with the SummerHawk Ranch Universal Expansion Pen (sold separately) Assembled Exterior: 74.3L x 30.1W x 51H (Pen Interior: 12 sq. ft. / Coop Interior: 4 sq. ft. / Nest Box Interior: 2 sq. ft.) If you have any questions, please email info@SummerHawkRanch.com