OPTEXX RFID Blocking Passport Cover Blue Grid T&Uuml;V tested and certified PP Holder / Case / Wallet &#10102; Best RFID Protection since 2012 &#10004; &#10103; OPTEXX Passport Cover TV certified &#10004; &#10104; Fits passports of the UK, CA, US, EU, Switzerland, Australia and similar sizes &#10004; &#10105; RFID Protection Made in Germany &#10004; The blocking cover consists, high-quality PVC foil plasticizer-free. The protective material, which is invisibly attached double sided, was specially developed for shielding radio waves. When using this cover, the communication between reader and chip is blocked and no data can be read involuntarily.