OPTEXX RFID Credit card holder Charly Black | Creditcard Debitcard Protector for | Men | Women | Id Theft Protection Case | German T&Uuml;V certified &#10102; Best RFID Blocking &#10004; &#10103; OPTEXX RFID Blocking Card holder &#10004; &#10104; 8 x ISO-format (Credit card size) card slots &#10004; &#10105; RFID Blocking Made in Germany &#10004; Your RFID / NFC equipped credit and insurance, key, Identity document or e-ticket cards are protected within these sleeve from hidden scanners and fraudulent use. Fits all cards in ISO-format (credit card size).