The K&H Thermo-Kitty Mat is an affordable heated sleeping mat with a dual thermostat heater buried beneath soft foam to make a comfortable napping place for cats. The surface of the bed will remain 12 to 15 degrees above ambient air temperature and warms to your pet's normal body temperature when in use. The Thermo-Kitty Mat is available in two colors and the cover is removable for washing. Indoor use only. One year limited warranty.