Not much will fit in. My old wallet contains 8 "credit card" sizes, 4 paper business cards, 2 $50 bills and 1 origami lucky money (1st photo). In the Meto wallet, adding 4 size credit cards to the trash box (2nd photo) shows a little resistance. The highest I can type is 6 when actually pushing it in (wouldn't recommend feeling like I broke the ejection flip when I pulled it down). I would say 4 or 5 at most. In the charcoal pockets (from the 3rd photo) on the left I put 1 size credit card and 2 size paper business cards. On the right side I attached 2 paper business cards and 2 credit card formats. Removed money from origami because it made it really bulky and big. The fourth photo is when I put two $50 bills in and put a Dropbox on top. 5th photo when I try to close it with the clasp up. 6th photo when I put the valve on the table. Hope this helps, sorry for the long review.
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