K&H Thermokitty Heated Pet Bedith a one piece pillow, soft fleece cover, and an efficient heater, it's no surprise that the K&H Thermo Kitty Bed is one of our best selling cat beds. Choose from two sizes and attractive color combinations to match your home's decor. The included small Pet Bed Warmer rests within the Thermo Kitty Bed's soft poly fil bottom to deliver soothing heat to your cat. When unoccupied, the bed surface will remain 10 15 degrees greater than room temperature.