U-shaped design fits the contour of the neck and shoulders. Stays in place while walking, sitting at your desk or standing. Eases neck and shoulder tension. Can also be used on your lower back, stomach, hips, chest, arms, legs, hands or feet. Hot or Cold Therapy. Use as heat therapy to increase circulation and ease muscle tension. Mist with water when heating for moist penetrating heat. Use cold to reduce swelling or body temperature. Exclusive 100% Natural 12 Herb Blend with Flax Seed. 100% Cotton fabric for extra soft comfort. Made in the USA.