Get a healthy dose of the 'feel-good' hormone! You'll create a fashion chemical reaction when you wear this dopamine molecule necklace! This necklace features a realistic representation of a single dopamine molecule, known for it's euphoric effects, on gold or silver link chain. S Made in China. Pack of 6 comes with 3 in each metal finish, Gold & Silver. 16-18" long, 1" x 3/4" pendant. Closes with easy to adjust lobster clasp.