The Relief Pak Moist Heat Pack Is A Simple And Effective Method Of Applying Moist Heat To A Localized Area Soothe Discomfort From: Stiff Neck Backache Arthritis Sprains And Bruises Gives At Least 30 Minutes Of Therapeutic Moist Heat When The Treatment Is Complete The Pack Can Be Reheated Or Stored In A Plastic Bag In The Refrigerator For Later Use