There is provided a therapeutic cold pack or hot pack system (100) comprising an instant or disposable cold pack or hot pack (101) having a front side wall (102) and a back side wall (105) being sealed together along a sealed edge or edges. A protective cover (106) may be attached to the back sidewall (105), and/or an adhesive or self-adherent elastic bandage or foil (103) may be attached to the cold pack or hot pack (101). The protective cover (106) may comprise a fabric or textile, such as cotton or wool. Alternatively, the protective cover (106) may comprise a patch or plaster. If a bandage is attached to the cold or hot pack (101), the bandage may be a self- adherent elastic bandage, and if a foil is attached to the cold or hot pack (101), the foil may be a self-adherent plastic foil. A first end part of the bandage or foil (103) may be attached to the cold pack or hot pack (101), and a major part of the bandage or foil (103) may be rolled or coiled around a coiling part (104).
