Shot Glasses Ekke Soapstone Stackable Teroforma Whiskey Set Natural Finish 2 Fl Oz Each Set of 4 .They Are Nice for Sipping Some Vodka or Whiskey and Help Keep the Alcohol Cold Longer.they Are Made of Soapstone a Smooth Naturally Soft Stone, Nonporous Material That Can Freeze Without Cracking and That Doesn't Absorb Flavor so That Each Shot After Washing Tastes Pure.