1. FDA, CE, ISO13485 Certified 2. Last up to 8 hours 3. Safe, ... warming therapy 4. OEM service 5.No side effect 1, CE,ISO13485,FDA approved. 2, OEM service 3, common size: 7 ... each sheet lasts up to 8 hours. Since Be Koool gel sheets are non-medicated, they are safe to use with ... size: 53x38x13cm, N. W. /G. W.: 5/6kgs the medical gel type joint pain relief patch with ...