The tag can be embedded in metal or attached on metal surface,withstand repeated autoclave cycles. It is  designed to meet FDA requirements, is ATEX certifified, the ideal solution for tracking small tools,surgical instrument,bearing,auto spare parts,etc.It is bio-compatible to ensure safety in medical applications and  have been tested to survive high heat in repeated autoclave cycles and industrial chemical washes that  normally complicate the application of RFID devices.