NEW OUTDOOR Cat house measures 18"x18"x18" on the outside and 13"x13"x13" on the inside. The siding is painted Mushroom and the top is Mark Twain Brown. The floor walls and attic are completely insulated. The floor is vinyl with removable carpet on top. This house has two 6" doors that will fit Cats up to 14 lbs. The door openings have clear vinyl flaps. The top lifts off for easy access. The base is treated lumber that can be placed right on the ground with no worries of rot or decay and insects wont eat it. THIS HOUSE IS NOT HEATED BUT VERY WELL INSULATED. NO ASSEMBLY REQUIRED.