The Caliber Gourmet Stainless Steel Bullet Chillers keep your favorite beverages and cocktails frosty cold, without the use of ice. Each bullet is constructed with 304 stainless steel and is guaranteed to be food safe, while remaining free of rust and other contaminates, as well as foreign smells and tastes. Each bullet measures 12mm x 45mm and weighs in at only 11 grams. The 6 bullets are held in a revolver base that fits perfectly in the freezer to keep them cold and ready. These bullets are sure to make a big impression, and serve as the perfect gift for the firearm enthusiast.