Dencorub Pain Relieving Heat Pataches are for the temporary relief of backache, muscular aches and pains, sprains and strains. Dencorub Pain Relieving Heat Patches are an easy and convenient way to gain temporary relief of minor aches and pains of muscles and joints associated with backache (lumbago), sprains and strains. Medicated Pain Relief Boxed Contents: 3 Medicated Pain Relieving Heat Patches Size: 3 pack ALWAYS READ THE LABEL AND FOLLOW THE DIRECTIONS FOR USE. Temporary relief of backache Temporary relief of muscular aches and pains Temporary relief of sprains and strains