A Therapy Pack is a natural form of pain relief that uses temperature to provide comfort. They can be used hot or cold depending on the individuals preference. Therapy Pack: Medium (5"x9") A great size for: Kids of all ages Helping kids wind down at bedtime Headaches Discretionary size for cramps (fits in a hoodie pocket!) Use as an ice pack This size also helps add some comforting pressure to the forehead if you struggle with falling asleep. Filled with your choice of Canadian Wheat, or Canadian Peas. *This size includes a matching removable & washable cover.