Tested & Approved by Independent Lab Tests. Alpine Swiss RFID Blocking Protection to Stop Thieves from Obtaining Personal or account information. Tested for 13.56 MHz Frequency in which the credit cards operate. If Testing on an HID card please Use an: H</br>2 zippered pockets?? Outise ID wondow?? Measures 4.5" 3" x 1.5"</br>Back pocket opens and expands accordion style with 2 sections</br>Front pocket expands same way has 6 separate sections</br>Front pocket also has 5 Card slots between the sections</br></br>Product Description</br></br>Alpine Swiss Womens Accordion Organizer Wallet Leather Credit Card Case ID</br><br/>http://www.amazon.com/gp/product/B01MTCSWNNN