... size: 33mm, 25X25,35X35,50X50,75X25,100X25,100x50mm Chip: NXP mifare S50, ICODE 2 Propocal: ISO14443,ISO15693 Nanning XinGeShan Electronic Technology Co ... No.:L050505021HLabel size: 25X25,35X35,50X50,100X25MMAntenna:Al etchingChip:NXP mifare S50, ICODE 2, Ultralight,Surface Material:PETBacking material:PETProtocol: ISO 14443 ...