NEESIX HOME Moscow Mule Copper Mugs with No Inner Lining Solid Hammered Barrel Mugs, 16 oz 100% copper - these authentic copper mugs will enhance the flavors of the ginger beer and the vodka Benefits our copper mug will keep your Moscow mule and other cold beverages ice cold in warm weather No tin or nickel lining, our products are designed to meet the highest quality standards & do not have lining material such as stainless steel Beautiful design, our mule mug and the shot glass are carefully handcrafted Buy now and save - Moscow mule drinks are meant to be enjoyed in pure solid copper mugs