The Reusable Therma Kool Hot-Cold Chiropractic Pak 9 x 12 Compress, the largest available compress, is a great size for the lumbar area of the back. It stays soft and flexible so it easily conforms to the shape of the injured area. It's hospital proven and safe for use with children under adult supervision. Package contains 1 compress. Made in the U.S.A.
For cold use, store in freezer. Use cold for: sports injuries, bruises, bumps, sprains, headache, helps relieve migraine and arthritis pain.
For hot use, immerse in very hot water for 5 minutes. (Not for microwave use.) Use hot for: temporary relief of muscle stiffness, aches, pains and sinus pain.
For hot or cold use, wrap compress in cloth before applying to the skin.