CHILLS WITHOUT DILUTING: Unlike ice, whisky stone makes your drink cold and doesnt dilute it, keeping the original flavor of the drink, so you can taste more delicious and smooth whiskey. QUICKLY COOL DOWN DRINK: No need to wait all night, just place the whisky stone in the refrigerator for 3-5 hours to use .Enjoy the cool taste of the drink. FOOD GRADE STAINLESS STEEL: Whiskey stones use food grade non-corrosive 304 stainless steelDurable, reusable, never rusted or corroded, the surface is very smooth and no add any impurities to the drink. They are easy to clean and store. After use, theyonly need to be washed with water and put into a plastic storage boxs. They are very convenient and is a fashionable and healthy choice.They are safe to use the dishwasher to clean A MUST-HAVE IN DAILY LIFE: In addition to cooling beverage, like whiskey, brandy, rum, beer, vodka, liqueur, white wine, cocktails, soda, coffee, juice, and even various drinks, you can also use for body cooling, like fever reduction, cold compresses,sprains and reducing swelling.