Neck Ring Aromatherapy Herbal Heat and Cold pack are filled with essential oils of 12 healing herbs and the highest quality Wheat available to help soothe stress and muscle pain in the neck area when used hot. Great for relieving stress and tension in your neck. 100% all natural aromatherapy to help relieve stress, tension, cramps and muscle discomfort. Also works well as a cold compress to help relieve pain associated with strains, swelling and inflammation, headaches and migraines, helps reduce fever, provides relief to sunburn, hives and so much more.