Don’t Forget: Copper Tarnishes. Your mugs will naturally develop a beautiful patina with use over time. However, if you would like to keep your mugs looking brand new, you will need to take time to care for them. Polishing is necessary to keep the mugs looking new. You can use citric acid as a polish (from fresh lime or lemon juice) or you can purchase Barkeeper’s Friend. Either product will work nicely to keep your looking like you just purchased them. Use of this product is solely at your own risk. assumes no liability or responsibility for any adverse impact that use of this product may have on the user’s health or on the quality of taste of liquids or foods stored in or consumed from this product.
24oz Embossed Logo, Solid Copper Moscow Mule Mug by Paykoc MM12080L