Dimensions: 18.9L x 18.9W x 19.7H in.Crafted from water-resistant polyester, cotton, and foamPad is heated for extra comfort and warmthSuitable for indoor and outdoor useZippered roof for easy accessSimple to assemble. Help your kitty stay warm when temperatures plummet with the Pawhut Outdoor Heated A-Frame Cat House. The cat house features a heated pad that plugs into a standard electrical outlet. Outside the cat house provides protection from the elements with its waterproof polyester cover. No matter where your cat is lounging you can access him or her through the zippered closure at the top of the house.