H Potter Moscow Mule 100% Real Hand Hammered Copper Mugs Set of 2 16 oz. 100% pure copper mugs with brass handles. No rivets. Handcrafted, hand-hammered. Each mug holds 16 oz. Approximately 3.25 inches high, 3.25 inch diameter opening, 3.75 inches at widest, 5 inch diameter at handle. We recommend hand-washing and hand-drying soon after using. This mug set makes a treasured gift for any occasion. Designed and manufactured by H Potter. Professionally packaged.