Self-warming thermal cat cushion contains a space-age lightweight material that reflects the animal’s body heat. Machine washable reversible fur-like covering. The revolutionary lightweight material reflects the pet’s own body heat back to the animal. Space age material is self-heating. No electricity needed. Self warming pad warms soothes and comforts cats and kittens in all weather conditions. Use at home in kennels or while traveling. Great for soothing kittens aging adult cats nurturing females as well as cats recovering from illness injury or bone and joint disease. Measures 19" x 23".