Treat arthritis, joint or muscular pain, tendonitis and more with Warm Whiskers" pet therapy jacket, which includes both a cold pack and heat pack to provide pup-friendly relief. Includes jacket, strap for securing heat/cold packs, large cold pack, and large heat pack Great for post-op recovery, or to aid in cooling/warming in extreme weather Jacket and strap system allows you to secure the included heat/cold packs anywhere on your pet"s body Freezable cold pack is filled with non-toxic, non-caustic gel Microwaveable heat pack is filled with natural buckwheat and lavender Reflective lining for safety in low light Designed for dogs 5-12 lb. Machine washable Made in China