Available in two sizes, the Pro-Tec Universal Hot or Cold Gel Pack Wrap fits snugly to the body for direct, comfortable and hands-free heat or cold therapy. This universal hot or cold gel pack wrap helps treat conditions including swelling, arthritis pain, sprains, strains and lower back pain. It may also help treat symptoms of Herniated Disc, Lordosis, Scoliosis, Sciatica, and other similair conditions. Heat therapy can also be used for stiff, sore muscles or to help loosen up muscles before activity. The Universal Hot or Cold Gel Pack Wrap is microwave and freezer safe, making it very easy to use. The advanced gel technology retains heat or cold longer and provides penetrating relief. The universal wrap remains flexible after application.