The Memory Company Duck Dynasty Brothers Of The Beard Mug, 15 oz. Duck dynasty 15 ounce white mug, brothers of the beard. Great item for keeping all of your beverages hot great for on the go Duck dynasty 15 ounce white mug, brothers of the beard. Great item for keeping all of your beverages hot great for on the go Duck dynasty 15 ounce white mug, brothers of the beard. Great item for keeping all of your beverages hot great for on the go