How to use:To freeze, place the pack in freezer for at least 2 hours before use.
Cold therapy for: Joint/muscle injuries, Back/neck pain, Arthritis, Sinus/stress headache, Post-surgical pain, Sunburn/other burns, etc.
Heat therapy for: Muscle pain/soreness, Muscle spasms/ cramps, Arthritis, Menstrual cramps, Chronic neck or back stiffness, etc.