Yinyol Stainless Steel Chilling Ice Cubes Reusable for Whiskey Wine Beverage (Set of 8) 1. Food-grade stainless steel chill your drinks without dilution. 2. Made from stainless steel, durable, easy to wash and clean. 3. Unique gift for spirit drinkers; best stones for whiskey in the market; 4. Freeze 1 hour and ready to go; Great for whiskey, vodka, liqueurs, white wine and more; 5. Securing a secret non toxic gel; extend the chilling!