AVS STORE &reg; Set of 4 Small Solid Copper Moscow Mule shot glasses 2 oz Set of 4 Shot glasses cups 2 oz Keep them to ship in the ice bucket or freezer until you are ready to shoot or pop are your favorite Tequila, a cool balanced profile to add your favorite spirit Keep them to ship in the ice bucket or freezer until you are ready to shoot or pop are your favorite Tequila, a cool balanced profile to add your favorite spirit Copper is a clean inherently material with strong natural antimicrobial, antibacterial and antifungal properties 100% Pure Copper