Smitten Kitten has all the right ingredients: small, vaguely apothecarical looking glass jars, translucent labels, and
Smitten Kitchen's Shopping List:
Libbey Vibe 4.5 oz. Jars at Amazon
Avery Easy Peel Clear Return Address Labels also at Amazon. Although, I like the idea of round labels on top like these to put on the lids. Especially, since my version of this might have to place the jars in a drawer.
The Traveller's Lunchbox uses some nice looking tin boxes. I am a little skeptical about scoring the right size printer type tray though.