Material: Stainless steel Color: Silver Shape: Standard packaging Dishwasher safe: Yes Chilling Whiskey Without Adding Water: It would be a shame to add water to dilute the flavor of whiskey when the ice melts. 304 stainless steel whiskey bullets, reusable ice cubes, will keep your whiskey of choice cool without altering any flavor. Pour the whiskey into an old fashioned glass, add 3-4 bullets, and enjoy the sophisticated look they bring to your drink. This wooden gift set is perfect for any whiskey lover. UNIQUE GIFT IDEA: Still searching for a gift? Our set of 6 silver bullet stainless steel coolers offers a thoughtful and distinctive option. This is an ideal gift for fathers, brothers, sons, boyfriends, husbands, or grandfathers. Wrap it up for any occasion: Father's Day, Christmas, Valentine's Day, Birthday, Graduation, Wedding, Anniversary, or Retirement. It will be a standout and memorable gift at any event. Efficient ultra-deep cooling technology: Place the bullets in the refrigerator for 2-4 hours, then add 3-4 to a single glass of whiskey. These reusable whiskey cooling bullets will keep your drink chilled at temperatures around 45°F–60°F for an extended period without altering the flavor. Whether it's a winter evening with a glass of whiskey or a night with friends over a game of poker, these coolers enhance the experience. They also offer a personal moment of relaxation. The whiskey cooling stones serve as a stylish bar accessory and a collectible piece for your home bar or lounge space.