650 ml. Copper Jug & Tumbler Mosscoff exquisite reinforcement ring makes the copper glass strong with a smooth rim that lets you drink in comfort, unlike the sharp edges found on other glasses. The flat ring is polished to perfection and gives additional charm and elegance to the copper cups Use it for cocktails, lemonade or water. Perfect for Moscow mule. The copper surface of the tumbler the becomes frosty if you put ice in it - an amazing effect. Impress your guests! A perfect solution for a gift to any occasion.