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