I get migraines and typically carry a small bottle of OTC Excedrin, another of Advil, plus my migraine meds in my backpack. But when I want to travel light with just a small hipster purse, two bottles take up a LOT of room! Loved the idea of Pandora's Pillbox, seems secure so far, holds a decent number of Excedrin with room to spare, and it fits my purse perfectly. I'd say it's roughly the size of a lipstick--I'll take a picture later.ETA 2024: over six years later, still working perfectly. Clasp has never failed to stay shut. Still looks great on the outside.