This Polish pottery Bubble Mug is made by Zaklady Ceramiczne workshop in Boleslawiec, Poland. Manufacturer item number H5124E. It is 3¼" high and measures 4¾" by 3¾". The capacity of this Bubble Mug is 10.5 oz when filled to rim and it weighs 0.7 lbs. It is part of the Americana Collection.