Yeme 9 PCS Whisky Chilling Ice Stones Soapstones Drinks Cooler Whiskey Rocks with Carrying Pouch Includes a set of 9 Chilling Rocks, and a velvet Storage Pouch Made From 100% Soapstone: Soapstone maintains its temperature for long periods of time, and is Regarded As Safe (GRAS) by the FDA and CE. Soapstone is made up of talc which will not react to water, alcohol and or other drinks Simply place them in the freezer about 2-4 hours, Ready to use in hours Unlike regular ice cubes, whiskey stones do not melt and dilute your drink; Well Preserve the Taste your favorite drink Best to use 3 Rocks per drink. Perfect as a gift or for your next Cocktail Party