Techni Ice can be used as a hot pack, hot wrap, cold pack, cold wrap for effective pain relief. For an immediate injury you might want to put "ice" on it. Whereas for enduring long term relief many physiotherapists use it as a long-lasting heat wrap.
For use in hot therapy store some Techni Ice at room temperature, and then when you need it, heat it up in the microwave for 1 to 3 minutes.
The same polyacrylate polyalcohol co-polymer thermal absorbent technology that lets Techni Ice cool down to sub-zero temperatures rivalling that of dry ice, are also responsible for this product's incredible ability to stay warm for hours on end.
Furthermore, because you can cut between the product cells with scissors, it means you can create a heat wrap of any size.... even something that will fit in the palm of your hand. Some people actually use it as a pocket warmer in winter.
The intense heat that this product can provide is very useful in a variety of medical conditions. Everything from a simple headache to sports injuries to arthritis and so on. Now it should be noted that just because Techni Ice can provide intense heat it does not mean you have to use it that way. Because you warm it up in the microwave you decide how long to leave it in there, controlling your starting temperature.