If you're looking for a house that will spell luxurious comfort for your pet the Hayneedle Habitats Stair Case Dog House is just right for you. Boasting a solid fir wood construction it features steps along one side which lead to a roof-top balcony with slat rails. This is where your pet will love to lounge and enjoy a nap in the sun during the warmer months! Weatherproof leg protectors and a raised-floor design resist moisture and ensure that this dog house stays dry and provides comfortable shelter to your pet even in extreme weather conditions whether hot cold or wet for years to come. With easy-to-follow instructions and all hardware included this dog house assembles easily with a Phillips screwdriver. Small Dog House Dimensions (in inches) Door opening: 12.08W x 9.45H Interior: 31W x 22D x 16.6H Staircase: 11.8W x 8.3D x 14.6H Overall: 33W x 25.8D x 28H Medium Dog House Dimensions (in inches) Door opening: 16W x 11.8H Interior: 37.9W x 28D x 20.6H Staircase: 15.7W x 9.2D x 19.2H Overall: 40W x 32D x 32H Large Dog House Dimensions (in inches) Door: 13W x 17.9H Interior: 46W x 30D x 22.4H Staircase: 16W x 10.4D x 20.6H Overall 48W x 32D x 35H