Artisans Arek and Ewa of Brzeg, Poland hand-paint each bubble mug, shaped from native clay, adding sweet floral motifs with carved sponges and fine brushwork. Blooming tulips in blues, red, orange and yellow. Each piece is adorned with accents of green stem details and iconic blue swirls and border. Handcrafted exclusively for Uno Alla Volta, from the hearts and hands of artisans. Microwave, dishwasher, and food safe. Approx. 4'' tall, holds 11 oz.