Canine Cooler - 24" x 36" - Medium DOGGONE COOL DOG BED. The Canine Cooler Brand Thermoregulating Pet Bed will give your dog a constant cool spot in summer, relief from furnace and fireplace heat in winter, and cushiony support for vulnerable joints all year. It is non-electric, non-toxic, paw-puncture proof, and easy to clean. Fleas hate the cool environment but dogs love it. Eases heat discomfort, joint problems, skin disorders, hip problems, and more.