Polish Pottery Mug 8.5 Oz. From Zaklady Ceramiczne Boleslawiec #872-963 Classic Pattern, Capacity: 8.5 Oz. Dimensions: Height: 3.6" Diameter: 3" Capacity: 8.5 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.