Mystery in Sochi

They are about two inches wide,
squarish, and five inches tall.
They hail from the Toggenburg
Valley of northeast Switzerland,
and they are held in the highest
regard by experts around the world.
They are glass bottles used to hold
athletes’ urine samples.

(From Mystery in Sochi Doping Case Lies With Tamper-Proof Bottle. Submitted by Evie Groch)