Artisans Arek and Ewa of Brzeg, Poland hand-paint each stoneware bubble mug in our exclusive kitten design. Each one is shaped from native clay before carved sponges and fine brushwork are used to add additional motifs. Microwave, dishwasher and freezer safe. Handcrafted exclusively for Uno Alla Volta, from the heart and hands of the artisan. Approx. 4” tall, holds 11 oz.