Classic igloo shaped dog house. Constructed with Microban to keep stain and odor-causing bacteria, mold, and mildew from growing. Structural foam construction which is 3 layers thick provides extra strength and durability. Nitrogen insulation keeps it warmer in winter and cooler in summer. Adjustable ventilation regulates air flow and reduces condensation. Extended door entry and raised door threshold allow pets to get away from the elements. Easy snap lock allows for convenient assembly and cleaning. Overall size: 39.3 In. W. x 30 In. H. x 51.5 In. L. Door size: 17.6 In. W. x 17.3 In. H. Extended door entry: 22 In. Optional door available.