SummerHawk Ranch Victorian Teak Barn Chicken Coop 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: 79L x 30W x 48H (Pen Interior: 12.4 sq. ft. / Coop Interior: 4 sq. ft. / Nest Box Interior: 2.36 sq. ft.) If you have any questions, please email info@SummerHawkRanch.com