I am satisfied with the result of the card holder. Business card holders aren't exactly common, so I thought the quality of this one was below average, but it's better than I expected. Not super great, but good. 50 seems to fit, but for thicker, heavier business cards I'll stick with 40 as it's a lot easier to slide cards in and out when you're actually at a conference or event. In general a good product for its price.
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