The Egenolf Ceramics Crystalline Glaze Art Studio Pottery Mug is a unique and colorful piece of ceramic art. This 12 oz mug, made in the United States, features a multicolor crystalline glaze that adds a touch of elegance to your daily cup of coffee or tea. With its art pottery production style and technique, this mug is perfect for all occasions and is sure to impress both you and your guests. The original design by Egenolf Ceramics makes this mug a standout piece in your pottery collection.