【Fit small animals only】 recommend for cats under 18lbs, small dogs under 15lbs, rabbits, hens, ducks and other small animals. Please check the photo for more size details if you want to put litter box / heating pad inside. 【Easy to assemble】 With all necessary parts included, the house can be easily assembled (All you need is a Phillip's screw driver). Once correctly assembled, the stable structure will never split or fall apart. 【Easy to clean】The bottom floor can be removed and it's easy to gain access to the inside by opening the roof for daily cleaning. 【Cat friendly design】With two openings cats can get away quickly if needed. 【Weatherproof Wooden House】The roof is treated with real asphalt shingles. The emergency opening on the back is covered with acrylic flap door. The front opening is sheltered by asphalt rain stoop.