1.The whiskey chilling bullets are made from factory sealed by welding and 304 food grade stainless steel. One bullet contains approximately 95% purified water, 5% alcohol. We must say that they are not better or as good as ice! One bullet simply contains 25-30% less water than a regular ice cube, so we ask you to please, put more bullets for the same results. WARNING!: DO NOT SWALLOW! DO NOT BOIL OR MICROWAVE! 2.These stainless steel bullets are meant to be used to chill and cool your drink adding a little rebellion spirit and special atmosphere to your occasion. It is a great novelty item and a perfect conversation starter for any place. The set includes 6 stainless steel bullet-shaped whiskey rocks, pistol barrel-shaped zer storage, and a paper box. 3.Make you drinking experience special every time. Whatever you celebrate or just having fun with friends you can add a little special flavor with details like these cool looking whiskey accessories. We believe that, details are everything when it comes to creating an atmosphere and we pay attention to them as well. 4.The stainless steel whiskey rocks bullets will not dilute your beverage with water, while keeping it cool for a long time. You should put them for at least an hour in a zer, put it in your liquor and enjoy cooled drink for about an hour.