Polish Pottery Mug 14 Oz. From Zaklady Ceramiczne Boleslawiec #1194-du60 Unikat Pattern, Capacity: 14 Oz. Dimensions: Height: 4" Diameter: 3.75" Capacity: 12.9 oz. Each piece of Polish Stoneware is handmade and hand-painted. Origin: Boleslawiec, Poland Use&Care: Polish Pottery is oven- dishwasher- stove- and microwave oven safe, lead and cadmium free, resistant to chip.