Features 1、Enjoy Original Flavor: The metal ice cubes are made of food grade 304 stainless steel, which is safe and non‑toxic. It will not dilute the beverage, nor will it affect the taste of the beverage. 2、Beverage Cooling: It can be used in Irish whiskey, Japanese whiskey, Tennessee whiskey, rye or and Odeka, liqueur, white wine, coffee, juice, and even various drinks. 3、Tips: Please put ice cubes in the freezer for more than 4 hours before use! Do not put it in the fresh‑keeping room! According to the volume of the drink, add the corresponding amount of whiskey ice cubes by yourself. 4、Perfect Gift: The perfect gift for most holidays, such as birthday, Valentine's Day, Father's Day, Mother's Day, Thanksgiving, Halloween, Christmas, New Year, etc. It can be used at home, office and party to enjoy a relaxing time. 5、Wide Applications: it can be put into an ice pack to reduce fever, and it can also be used for sports sprains that require cold compresses to help reduce swelling. Ice cubes are easy to wash and reuse. Please rinse with water before use. Specifications Item Type: Whiskey Stones Material: Stainless Steel + Silicone Purpose: Beverage refrigeration Weight: Approx. 195g/6.88oz Package List 4 x Whiskey Stone 1 x Clamp 1 x Box