These wine ice stones are made from stainless steel material, for use. All these whiskey ice stones cool your wine, beer, bourbon drink without , won't melt or impart any flavors to your drinks. These reusable metal ice cubes can hold your drink for a long period than water ice cubes in a tray. Features - ColorSilver - Material: Stainless Steel. - Size: About 2.54X2.54X2.54cm/1.00X1.00X1.00inch. - Note: This set includes 6pcs round wine ice stones and 1pc box. - Adopts of stainless steel material, which is no rust, and safe to use. - Perfect for a variety of beverages. Whiskey, Bourbon, , , etc. - Perfect present choice to your friends, family and co-worker on Housewarming. - These whiskey stones add a touch of classic charm to any glass. - Small and lightweight, these stones with a storage box, easy to carry. Package list: 1 6 x wine ice stones