The neck wrap has comfy faux ultra suede on one side, soft and cozy faux shearling on the other. Designed to fit the contours of your neck, it will stay in place while walking, standing, or sitting. 100% all-natural aromatherapy and is filled with 12 healing herbs and the highest quality, natural grains available. This wrap will rest snugly around your neck while the natural herbal content contours the curves of your body and helps to relieve stress, tension, cramps and muscle discomfort. Microwave for instant heat therapy or chill for instant cold therapy.