Christina of California hand-paints beautifully detailed, bright spring hydrangeas on each glass. She works with non-toxic acrylic paint then thermo-seals each piece to ensure paint adheres to the glass. Each glass is a unique art piece signed by the artisan. Handcrafted exclusively for Uno Alla Volta, from the hearts and hands of artisans. Gently hand wash only. 8.5'' tall, hold 16 oz. Set of four.