Bloo Headache Migraine Relief Hat Cap Hot and Cold Therapy Gel Mask Heavy 1 Pack  (Black)

Get relief from headaches like: tension, migraine, cluster, sinus and more Cold Therapy: Put in freezer bag and put in the refrigerator for 1-2 hours Hot Therapy: Remove from any plastic bag. Make sure it is at room tempurature. Microwave for 30-40 seconds. If more heat is needed, microwave in 5-second increments. If it is too hot, cool down the mask before using it.