The K&H Thermo-Kitty Heated Cat Bed, 16-Inch, Sage keeps your pet feeling warm and secure year-round. The affordable heated bed uses a 4-watt dual-thermostat unit buried inside the thick, soft, orthopedic foam base to warm the bed 10 to 15 degrees above air temperature to match your cat’s normal body temperature. Remove the cover for easy machine-washing. For indoor use only. 1-year limited warranty. Measures 16 inches in diameter. Conveniently sized to fit almost anywhere indoors.