<b>Nowadays, More and more credit cards and passport have RFID chips. <br> <b>To protect your valuable information from stealing, it is a good choice to have this RFID credit card secure protector and passport holder. It is valid to avoid unauthorized scans and block the ability to scan account numbers, PIN numbers, license numbers, names, addresses, dates of birth, and much more. <br> <b>Package included: </b><br> <b>4* Credit Card Covers<br> <b>2 * Passport Protectors<br> <b>Size: <br> <b>3.62 x 2.44inch for credit card holder<br> <b>5.3 x 4.17 inch for passport holder<br>