I was getting tired of the pocket bulge and thought I'd give this wallet a try.  It holds my drivers license, debit card and a credit card with no problems.  I can get things out easily when needed, but other times they are held securely in place.  There is a thin slot in the center but it's a little difficult to open.  I suppose you could squeeze a couple $20's in there but if you want to use it to carry cash, this is probably not the wallet for you.  The center slot is the perfect place for my medical insurance cards, which are paper thin and rarely used.