Moscow Mule Copper Mugs Set of 4 Copper Plated Stainless Steel Mug 18oz for Chilled Drinks. It is also suitable as a water mug for daily life or a coffee mug for camping. [Food Grade 304 Stainless Steel Material ] Our Moscow mule mugs are made of food grade 304 stainless steel, they are copper-plated on the outside and matte finished on the inside., no harmful coatings, safe, odorless and rustproof.
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