Thank you for your interest in the Paykoc 24oz Solid Copper Embossed Moscow Mule Mugs, Set of 4. The Care instructions for these mugs are as follows: Use Barkeepers Friend as a useful abrasive polish. Wipe the polish on until it starts to dry into a haze then stop. Let it finish drying and then take a clean, dry cloth and polish to a bran new shine. Hope that helps you. Have a good day.
overstockcustomercare1 on Apr 1, 2013