The Elasto-Gel Cervical Wrap is used to apply hot or cold therapy to the cervical region and will conform to fit any necksize. The tough, flexible gel will not leak if punctured and the 4-way stretch material will help assure product durability and effective therapy management. Flexible gel wraps feature a comfortable, easy to clean, breathable stretch Lyrca cover. Heat in the microwave and store in the refrigerator or freezer. Provides 20-40 minutes of treatment. One size fits all.Weight: 2 lbs.