I bought the small size and it fits my keys and change perfectly. It keeps my keys from scratching my knife I carry in the same pocket and loose change doesn't fall out of my shorts pocket. The skin is nice and thick, but supple. I ended up replacing the leather cord with paracord and a cord lock. It would be even better if the leather strap had a cord holder. However, this is a 5 star bag. I am very happy with it.
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