HID Global
SlimFlex Tags
SlimFlex Tags are readable with ISO/IEC 15693 compatible Near Field Communications (NFC) and other high frequency (HF) RFID devices. SlimFlex housings tolerate repeated bending and withstand rugged outdoor use, and the pliable, durable SlimFlex Tag transponders are available in HF and ultra high frequency (UHF) options.
https://www.hidglobal.com/products/rfid-tags/identification-technologies/slimflex-tag