The K&H Thermo-Pet Mat™ is the ultimate in affordable, portable pet comfort far any small dog. Its convenient size, 14 in x 28 in, fits almost anywhere, providing a dual thermostatically controlled 102 degrees when in use. The Thermo-Pet Mat is available in 2 colors, with removable washable covers. Recommended for year round indoor use. One year limited warranty. UL listed.