♦ A GREAT GIFT FOR THE MOSCOW MULE LOVER IN YOUR LIFE This jumbo Keskov Moscow Mule set is a unique gift perfect for birthdays, father's day, mother's day, Christmas, Hanukkah, retirement, or any other special occasion that is cause for a celebration. The large size of these mugs makes them perfect for custom engraving. ♦ THE PERFECT SIZE - These mugs hold 23 ounces each and are made with no rivets (Rivets leak!)- With a larger mug, the acidic acid will have more time to interact with the 100% copper mug for that full, rich, and delicious Moscow Mule taste.