Nature's Approach Herbal Shoulder Wrap targets pain and stress in your neck and shoulders and it really works. Hot/Cold Therapy (microwave or freeze), 100 Natural aromatherapy, Relief from aches and pains, Use anywhere on your body, Even heat distribution for targeted therapy, The Shoulder Wrap can also be used around the neck, upper back, lower back, chest, stomach and knees. Other uses include the treating of bursitis, tendinitis, sprains/strains, migraines and other headaches, neck and back stiffness, rotator cuff injuries and muscle spasms. It can be used after workouts at the gym, long work days or even just winter nights. Aromatherapy Herbal Pack Filling Includes 100 Of Nature's Finest Herbs: Lavende, Peppermint, Spearmint, Valerian Root, Cinnamon, Chamomile, Clove, White Willow, Yarrow, Yellow Dock Root, Lemongrass, Flax Seed (provides moist heat therapy).