amor SY2 Far Infrared Therapeutic Wrap ~ Adjustable Cervical Collar ~ for Neck Pain ~ Headache Relief, Posture, and Healing ~ Physical Therapy Infrared Therapeutic, FDA Medical device Adjustable Size Fits Most. For Stiff Neck. Migraine Headaches. Can Wrapped Around Eye, Wrist, Hand, Ankle & Foot. Effective Pain Relief & Recovery. Safe Far Infrared Ray (FIR) Heat Physical Therapy Penetrates Targeting Injured Cells & Detoxifies.