Suitable for home bar, chilvia, champagne, wine, etc CHILL WITHOUT Diluting - Made from food grade stainless steel, these reusable ice cubes will keep the cold and the taste of your drink while never diluted and rusted and corroded FDA CERTIFIED - These whiskey stones are made of food-grade non-corrosive stainless steel that has passed strict FDA certification EASY CLEANING AND STORAGE - Includes 4/6/8 stainless steel reusable liquid filled ice cubes to cool tongs (8 pack) and stones.