Slumber Pet Thermal Cat Mat (Grey w/Black Designs) 22" x 18 1/2"
Getting this for my littlest feral cat, who always seems to be cold, and my older cat whoo could use the soothing heat for his joints! Self-heating means you don't have to worry about it overheating or zapping an outlet or something while not at home! Their own bodies provide the heat! At 13.99$, can't be beat!