Cura-Heat Neck & Shoulder Pain Relief 2 Heat Patches Cura-Heat Neck & Shoulder Pain provides targeted, temporary 10 hour warming relief from neck and shoulder pain. The unique neck contouring ‘U’ shape provides warming relief to both the back and sides of the neck and the shoulders. Just open the Cura-Heat sachet and apply to clothing/underwear around the base of the neck and the heat will radiate through to the source of pain – increasing circulation, decreasing stiffness and relaxing sore muscles. The Cura-Heat Neck and Shoulder Pain patch is fragrance free, non-medicinal and with a thin discreet design they are ideal to use anywhere.