The 13 oz. Libbey Cobalt Blue Glass Beer Mug is great for any occasion. This cobalt blue pub glass is suitable for any drink you can conjure up. It is the glass of choice for many restaurants, cocktail lounges, and bars. It can be used for serving multiple beverages such as soda, water, beer, etc. Perfect for proms, parties and much more. Use it as a party favor and you're sure your guests will remember your event for a long time coming. Available in clear, juniper green and cobalt blue.