This Polish pottery Bubble Mug is made by Zaklady Ceramiczne workshop in Boleslawiec, Poland. Manufacturer item number H5570C. It is 3" high and measures 4¼" by 3¼". The capacity of this Bubble Mug is 7.0 oz when filled to rim and it weighs 0.6 lbs. It is part of the Polka Dot Collection.