Learn moreToday is the second day of Amazon's four-day Prime Day sale event, which means the best Prime Day backpack deals ...

This Baggallini backpack may appear small, but it will hold all of your essentials while keeping them safe from would-be thieves.

While sticking with the 1,000 or so travel stores that carry baggallini products, the founders are making inroads onto the racks of G.I. Joe's, Harrods in London and Marshall Fields.