Material: white PVC ISO size: 54*85.5mm No printing just blank white on both sides Add overlays on both sides Material: white PVCISO size: 54*85.5mmNo printing just blank white on both sidesAdd overlays on both sides ( in the other word is lamination clear plastic film on both sides)Chinese compatible chip Mifare 1k S50 RFID cardFrequency: 13.56m hzISO14443APacking details200pcs per inner ...