Polish Pottery Mug - 11 oz. Bubble - Unikat Signature U4553 3 1/2"H (11 oz measured near 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 - Teresa Liana