8PCS Whiskey Rocks,Stainless Steel Chilling Reusable Ice Cubes 304 Stainless steel ice cubes;Includes:1*8 Stainless steel gel filled ice cubes;1*Stainless steel tongs. Each measures approx. 1" with smoothed edges that won't mar glasses.Available in a set of 8 with stanless steel tongs. Great for cooling down non-alcoholic drinks, too. Food-grade stainless steel liquid-filled cubes are a non-diluting alternative to ice.Keep fine liquor ice-cold without losing flavor. Great for whiskey, vodka, liqueurs, white wine and more.Place in the freezer for approximately four hours before use. Warning:Keep away from small children. The thin film may cling to nose and mouth and prevent breathing.