1.NFC Epoxy Tags Factory 2.100% waterproof, NDEF format 3.One side with epoxy, one side with sticker Epoxy NFC StickerAn Epoxy Card tags is the most fashionable and popular technology in the RFID SMART world. The base material are PVC/PET/ABS, aluminium/cooper antenna, Plus different chips, and with beautiful epoxy on. The total thickness is around 3.2mm.Epoxy can be one side with epoxy or two ...