... OEM service 5.No side effect 1, CE,ISO13485,FDA approved. 2, OEM service 3, common size: 7*10cm ... to 8 hours Ready to use Safe to use with medication Doctor recommended for adults Features 1. Doctor ... recommended to provide cooling relief from the discomfort associated with migraine, headache, fever, muscle aches, sprains, over-exertion ... medical gel type joint pain relief patch with CE approved