Pack of 9 Marble Cubes Whiskey Wine Beverage Drinks Chilling Ice Stone The Whiskey Stones are made from 100% pure Marble Stone Stones are handmade in Vermont USA from new, unused, repurposed and eco-friendly Marble Stone Marble Stone has superior thermal mass giving it the natural ability to retain its' temperature for extended periods of time. Marble Stone is non-porous, odorless, and tasteless. It will not absorb odors from your freezer like ice cubes do Edges are rounded and Marble Stone is softer than glass so they will not damage barware