It looks like a well-built wallet. Big enough to take everything with you, but not so big that it doesn't fit in your pocket. This isn't an RFID lock though, I use the RFID key card several times a day and it works great, right through the wallet. The chain itself is heavy but short with a thin clip that I will change. It would be better if both ends of the wallet (top or bottom) had two eyelets for attaching a chain to make it a bit more flexible. Overall this is what I was looking for.
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