You will receive 1 copper mug. The mug is 100% copper with the exception of a thin nickel plating on the inside of the cup to make them compliant with FDA 4-101.14 Copper. From FDA.gov: 4-101.14 Copper, Use Limitation. •(A) Copper and copper alloys such as brass may not be used in contact with a food that has a pH below 6 such as vinegar, fruit juice, or wine or for a fitting or tubing installed between a backflow prevention device and a carbonator.
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