Give your dog a sturdy, insulated, traditional-style doghouse with the Retreat doghouse. The classic design is something everyone remembers from childhood. The Retreat relies on a tried-and-true design combined with excellent craftsmanship and high-quality Asian Fir to give your dog the very best doghouse; finished in nontoxic natural finish to keep him safe. Removable floorboards. Exterior: 26W x 31.5L x 31.5H. Interior: 20W x 26.4L x 28.5H. Door: 11W x 17.7H.