K&H Outdoor Thermo-Kitty House??? The K&H Outdoor Thermo-Kitty House is made with 600 Denier nylon with a vinyl backing that makes it waterproof. The roof hangs over the two doors to keep cats warm, safe and dry. It's easy to assemble with Velcro-style walls and a zippered roof, and it's heated for extra comfort. Features: Perfect for any outdoor cat Waterproof for use anywhere outdoors Heated for warmth on cooler nights Two exits so pet cannot be trapped by predators No tools needed to assemble MET listed Item Specifications: Size: 22L x 18W x 17H Click here to watch the product video. KH3993 655199039937