K & H Thermo-Kitty Lounger Will Keep Your Cat Or Small Dog Warm In Winter. Kitty Lounger has super thick orthopedic foam for maximum comfort. Dual controlled heater warms to your pet's body temp when in use and stays 10-15 degrees above air temp when not in use. For indoor use. UL listed. 4 Watts power. One year warranty. Assorted colors. 20" x 20" x 6".