Materials: sterling silver, silver-plated steel sheet
  You can't live with out your caffeine and now you can bring your habit to one more level in your life.
The molecular structure of serotonin is cut from silver plated metal and hangs from sterling silver ear wires. The earrings come packaged in an elegant black glass topped box with a description that summarizes a variety of facts about caffeine such as, that it is a central nervous system stimulant and the most widely used drug in the world. Great gift for your caffeine loving friends.