3.8 x 5.1 in. Contains 3 individually wrapped heat patches. Powerful pain relief. 12 Hours of penetrating heat. Relief from muscle aches and joint pains. Ultra thin. Heats up quickly. Odorless. Non-medicinal, safe, warming therapy. Cura-Heat. For life's little aches and pains. Cura-Heat gives you targeted, temporary, 12-hour warming relief from minor muscle/joint aches and pains. Our thin design makes it comfortable and convenient to use - on your back, neck, shoulders or wherever you need relief. It's therapy to go for any lifestyle. 3 Single-use pack. Small size for neck pain. Made in China.