This passport / travel wallet will easily hold a passport, credit cards, money, etc.  It works well for what it was designed to do.  Usually one of my older sons will wear this when traveling, with our emergency funds and photocopies of our passport.  Neither of them like having that responsibility, as the travel wallet is uncomfortable and bulky underclothing, and awkward over clothing (which is why I mark the it down to 3 stars.)

What I've learned since ordering this travel wallet and others, is that what makes sense practically is for one person (me) to hold all of the family members' passports/tickets/boarding passes.  I organize them oldest to youngest to help expedite going through immigration, security, and boarding.  The bulkiness of so many passports is not conducive to this style of travel wallet.

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Update two years later:  The above still holds true, but I'm changed my review from 3-stars to 4-stars because the item has held up REALLY well.  Even though it is bulky and uncomfortable, it gets the job done -- especially when just one of my kids is traveling alone, and I'm not holding all the passports.