This large, multi-cat kitty house is the perfect shelter for any outdoor cat. The water-resistant fabric and unique overhang roof design helps keep cats warm and dry and offers a comforting shelter that is large enough for up to 4 kitties. Available heated and also unheated, we can't think of anything more comforting to an outdoor cat a place to call home. The heated version includes and accommodates a medium K&H Outdoor Heated Bed. The unheated version includes a cushioned pad. No tools required for set up. The heated cat house has been tested & certified by MET Labs to exceed USA/CA electrical safety standards. One year limited warranty.