The wallet has a panel that folds between the two sides of the wallet. There are 2 cards showing the RFID lock and credit card slots to be placed between the lock cards (I think). Other unsecured slots in the wallet allow you to store a license, business cards, etc. I didn't know about the RFID blocking feature when I bought the wallet (to replace the lost one). Seems like a nice bonus (if it works). I had a friend who got robbed in a big amusement park without taking his wallet out of his pocket.
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