Get hours of reusable, penetrating hot or cold therapy with the Herbal Comfort Hot Cold Back Wrap. This therapy wrap is used for sport injuries and general aches and pains. The Hot Cold Back Wrap is filled with 12 healing herbs and flax seed with an extra large Back Wrap that covers from your shoulders to lower back. Microwave for instant heat therapy or chill for instant cold therapy. Hot or cold the Back Wrap can relax, rejuvenate and restore your body and soul.