This nest box accommodates Barred Owls and is handcrafted from Eastern White Pine for insulation and durability. Proper design and dimensions, the top is slanted for water drainage and overhangs the entrance hole. The nest box is deep to prevent predators from reaching the nest. Wood chips included for optimal nesting material. Ventilation keeps nest box from overheating. The floor is recessed slightly to keep it dry. Drainage hole in bottom keep nest dry and clean. Rough interior helps fledglings to climb out. Made in New England.