ThermalSoft Gel Hot and Cold Pack, X-Large 11" x 21"

Thermalsoft hot and cold compress are re-usable packs that provide both hot and cold therapy. thermalsoft gel packs are double-duty packs. heat them in the microwave for heat therapy. for cold therapy put them in the freezer. thermalsoft gel packs stay soft, even at freezer temperatures and retain their hot or cold therapeutic benefits for extended periods of time. gel pack - x-large 11" x 21".