The Brisbane 12 oz. 18/8 double wall stainless steel wine or whiskey tumbler comes with a clear, push-in lid and copper lining. Whether it's on the rocks or neat, this easy sip lid design will keep your drink safe and sound for you to enjoy inside. It keeps drinks hot for 8 Hours and cold for 12 hours. Take it outside to enjoy some fresh air and this lid will keep your drink just as fresh.