You can't fit a passport in here, but I carry copies of my passport in this wallet just in case. (amazon.com)
Give a written notice to your insurance provider 15 days in advance, mentioning your policy number, attaching the scanned copy of your passport and stating the reason for the cancellation. (policybazaar.com)
So why do so many travel sites recommend taking along a few extra copies of your passport photos and what are some clever ways you can use those extra photos? (travelinsurancereview.net)