Polish Pottery Mug - 16 oz. Bistro - Unikat Signature U4629 5"H (16 oz. measured to the rim). Handmade and hand-painted in Poland Use for coffee, tea, hot chocolate, cider and more! This mug is a perfect gift for any occasion- birthdays, anniversaries, secret santas, get well soons, weddings, etc.! All of our Polish Pottery is safe for use in the microwave, dishwasher, and oven Unikat Signature - signed by the artist - Maria Starzyk