A type of hot/cold reusable jelly bag designed and manufactured by Dispotech, which is completely non-toxic and also suitable for medical use. The jelly bag can be used for two types of therapy: if placed in a microwave or boiling water, it is suitable for hot therapy; if placed in a freezer, it is ideal for cold therapy. The bag can also have a pocket to prevent burns.

Disposable frost bag in a polyethylene (PE) case.
The disposable frost bag has applications in numerous sectors such as medical, dental, sports.
Cryotherapy with the disposable frost bag:
Pressing the bubble inside it starts an instant endothermic cooling process (-4°).
The disposable freezer bag, sometimes called instant ice or erroneously dry ice, is used when cryotherapy is required.