The Beer Connoisseur. Exfaun Stainless Steel Double Wall Beer Mug 16.9 Oz. Your Beer Needs This Mug. Perfect Gift for Men! Made of Food Grade 18/8 Stainless Steel. Holds your drink at its temperature. Doesn't sweat hence no need for a coaster Double Walled with Air Insulation to keep your beer cold for a longer time Shaped like a a barrel keg