STREET CRAFT Copper Moscow Mule Mint Julep Cup Tumbler 100% Pure Copper Beautifully Smooth Finish With Mold Lip Capacity 12 Oz Set of 2 100% PURE COPPER FOOD GRADE--No nickel or stainless steel, Pure Food Grade Copper. These cups are the real deal--drink the moscow mule the way it was meant to be enjoyed, with a Smooth pure copper cups This product is new in all copper market so that our main focus on product quality,safety and healthy drink. PURE SOLID COPPER Mint Julep cups / Tumbler, 12 ounce size Not tainted by other metals. Food-safe lacquer coating helps preserve beauty and luster Hand Made in india.