ITEM NAME:420mL Stainless Steel Copper Plated Moscow Mule Mug Coffee Cocktail Cup #gib Store Home Promotion Hot Item Add to Fav.420mL Stainless Steel Copper Plated Moscow Mule Mug Coffee Beer Tea Water Cup Cocktail Wine Glass. Capacity: 420mL. Stainless steel beer mug, coffee cup, durable and wearable. 1 X Moscow Mule Mug. High quality 304 stainless steel material, food grade material, safe and healthy.