The number one alternative to outdated electric heating pads and gel packs that leak. Herbal Comfort Pacs are a physician formulated blend of 12 soothing, aromatic herbs. When heated in the microwave, the Herbal Comfort Pacs can be used hot or cold, and are great for arthritis, sinus headaches, stress relief and many other common ailments. Excellent as a bed warmer. (See below) Lavender - Nerve Tonic Valerian Root - Relaxing Anti-Spasm White Willow - Analgesic Chamomile - Nerve Tonic, Relaxing Rosemary - Headache Support Peppermint - Pain Support, Anti-Spasm Spearmint - Nerve Support Hops - Sedative Yellow Dock - Circulatory Support Lemon Grass - Analgesic Cinnamon - Anti-Spasm Yarrow - Healing Support