If you're already on the Eaglecreek page:
http://shop.eaglecreek.com/switchback-22/d/1283_cl_2337

Have that for 3-4 years now. Brilliant thing; I use the backpack for "daily" commute to work.
Materials absolut excellent and 'no matter what' warranty anyway.

And all what above said, but I use toiletry bottles with measurement printed on - for the ultraparanoia security agents.