Come and see our amazing products. This ice cube is made of high quality 304 stainless steel, never rusts or corrodes or wears, reusable design, no pollution and environmentally safe. Keep them in the freezer and drop them into your drink for instant chilling without diluting, suitable for whiskey, beer, wine and any beverage. Pls confirm further with us if any query about packing info, inventory status and time schedule.