Battle Creek Thermophore Moist Heat Pack was developed to conveniently provide moist fomentation treatments whenever moist heat is indicated. When the unit is turned on the surge of heat into the cover moves the moisture from the heated fleece blend to the patient's body. The most effective way to use Battle Creek Thermophore Moist Heat Pad is by applying a short treatment at a high temperature then allowing the body to return to normal temperature and then repeating the process. These treatments are very relaxing and the user may fall asleep. The One-Touch switch auto-shuts off after 20 minutes. Battle Creek keeps your safety in mind so relax and get relief! One of the most popular sources of therapeutic heat in the home! * Moist heat is more effective than dry heat because moisture transmits heat better than air * Safe - switch gives you complete control of temperature; heat automatically turns off when you release it * Inexpensive - cost less than many medications and last for years Available in 3 sizes: Standard (14" x 27"), Medium (14" x 14") and Petite 4" x 17"