A versatile molded gel pack can be used as either cold pack or hot pack again and again.
As hot pack, it helps the healing process by increasing local blood flow and promotes relaxation.
As cold pack, it is useful during the early stages following injury to help to minimize pain, bleeding and swelling in the tissues.

Hot Therapy
(As per Medical Literature)
Hot Therapy is useful in relieving muscle pain. It restores the muscle elasticity and increased blood circulation to the affected area. Using Boiling Water: Place the gel pack in boiling water for 2 or 3 minutes. Wipe clean with a cloth, place in cloth cover and use Using Microwave Oven: Place the gel pack in a microwave oven for 30-35 seconds on high power, and then place it in the cloth provided and use Cold Therapy
(As per Medical Literature)
Cold Therapy is useful in treating acute bone and muscle injuries, inflammation of joints in Arthritis, Rheumatoid Arthritis and post surgical conditions.

Using a Freezer: Place the pack in the freezer for 25-35 minutes and it's ready to use.