Sip On Warming Hot Chocolate Or Whip Up A Moscow Mule In Our Rustic Yet Sophisticated Copper Mug. The Stainless Steel Cup Is Rivetted And Suitable For All Heat Sources Except Induction. Please Note The Copper Will Naturally Oxidize Over Time, So Hand Washing Is Recommended To Maintain An Optimum Finish. Care Guide:Hand Wash Only, Not Dishwasher Safe Capacity: 480Ml Dimensions: 9.2Cm Diameter 8.7Cm(H) X 13.5Cm(W)