Medi-Pak Reusable Hot/Cold Pack Medium 150/300mmThe Medi-Pak hot/cold pack is widely used for minor sport injuries and bruising. It is excellent for headaches and migraines. Medi-Pak cold pack is used for the relief of headaches? migraines? burns? scalds? toothache? insect bites? muscle aches and sprains? tennis elbow? nose bleeds? prickly heat and most sporting injuries. Medi-Pak hot pack is used for the relief of back ache? tense muscles? arthritic conditions and period pains.Available Size: Small-100/250mm.