The K&H Pet Products Thermo-Pet Mat is the ultimate in affordable, portable pet comfort for any small dog or large cat. Its convenient size, 14 x 28, fits almost anywhere, providing a dual thermostatically controlled warmth when in use by your pet. Great for putting on top of an existing pet bed, on the couch, on an EZ Mount Kitty Sill, or anywhere around the house. The Thermo-Pet Mat has a removable washable cover and removable MET safety listed heater. This heated cat and dog bed has been tested & certified by MET Labs and exceeds USA/CA electrical safety standards; K&H doesn't just use safety listed parts, we safety certify the entire product - For indoor household use with 110/120 volt electrical current only. Designed by K&H Pet Products with OVER 20 years of experience in creating safe, innovative, quality products for pets.