The multi-purpose therapy wraps are the most universal of all wraps. User may apply these wraps to all parts of the body. For smaller areas such as forehead, elbow or ankle the recommended. Sizes are the 4" x 24" or 6" x 16" wrap. The 6" x 24" is recommended for areas such as, knee and neck. When treating larger areas such as leg, shoulder, chest or back our 9" x 24" is perfect. Additional lengths are also available.