10 HOUR RELIEF. NEW. Continuous Warming Relief to the Back/Sides of Neck and Shoulders. Air-Activated Heat Pack for Targeted Relief. Smoothes stiffness and stimulates circulation. Unique neck contouring "U" shape. Cura-Heat Neck and 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 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. Fragrance free non-medicinal and with a thin discreet design they are ideal to use anywhere. Directions Directions for use: Open the sachet by hand (do not cut) and remove the Cura-Heat heat pack. Peel away the paper strip. Adhere to clothing / underwear around the base of the neck. Cura-Heat warms up gradually and reaches maximum heat within approximately 30 minutes. Cura-Heat is air activated - do not open the sachet until you are ready to use it.