This is a really great product with an open ID window that saves space. My only problem is that it is not suitable for business cards. In the wallet they are a little large and bulge a bit and also make it difficult to push on task as they snag on the elastic without the rounded corners. If I put them under the money clip, they fly out when I take the bill. It's not the end of the world but I have business/contact cards that I use for promotions and such so it would be nice if the wallet were a millimeter larger on all sides.
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