This seems like a pretty secure spot to store your valuables while traveling: The Brief Safe Hidden Contents Travel Passport Wallet. Inside this pair of underwear is a 4″ by 10″ velcro compartment to hold stuff you don’t want people going through. And nobody will go through it since the underwear comes pre-skid marked for you. Leave it lying out in your luggage, hotel rooms, laundry room or bathroom at home and even the most gloved burglar will have second thoughts about touching these skivvies.