So far so good, leather seems to be of very good quality and better stitching than other brands I've tried. expands about 3/4 inch. I use this bag to store business cards, it can easily hold at least 40 of them. Photo ID which gives me room for 12 cards. Get yours here: http://amzn.to/2vC4scL However, this limits the bag to 10 business cards and cash folded in half. In this configuration it is about 1 inch. thick closed. There is also a slot on the front of the same 3/4 inch interior pocket that can be used to separate up to 2 credit cards. Also, there is another slit on one of the oversized valves, but mine is completely closed. I don't use it internally. See attached photos for details.
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