Doctor recommended for adults. Immediate cooling soothing relief. Also for headache fever. Lasts up to 8 hours. Ready to use. Safe to use with medication. Each sheet: 2 inch x 5-1/8 inch. Doctor recommended to provide cooling relief from the discomfort associated with migraine, headache, fever, muscle aches, sprains, over - exertion, hot flashes or whenever you need relief. Provides immediate cooling relief in a convenient disposable product. Needs no refrigeration and is portable. Made in China....