Warm Whiskers Pet Therapy Jacket Size XS (5-12 lbs.) Hot and cold therapy promotes a natural healing process for your pet Jacket incorporates reusable Velcro-like system for straps and packs to be placed anywhere Reflective lining for nighttime walks Ideal for pets with arthritis, tendonitis, bursitis, hip dysplasia, ligament injuries, joint and muscular pain, spinal disorders and post-op rehab Can be used for extra warmth or to cool down