I'm assuming it's leather, it will stretch. Also, I have this wallet because it protects RFID and I need a separate flap to expose my bus RFID card. Before I tried it though, I was on the bus with him and. It worked through the wallet. The bus scanner read it without any problems when the card was in the middle of the wallet. It still seems like a good wallet, but I don't know how much RFID protection it offers. I haven't seen any evidence that it does EVERYTHING that wouldn't be a problem for me other than that it was a big selling point.
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