Packaging at Stumptown Coffee Roasters

While on Capitol Hill, we dropped in Stumptown Coffee Roasters for a
drink. While waiting for Henry to sweeten his capuccino, I noticed
this ingenius packaging. The front of the bag features a pocket that
holds a business card describing the beans. How do they know which
beans with which bag? A stamp on the bottom. Not only does this save
money on the color printing, but you can easily bring your favorite
card back to the coffee shop for another bag.