This product is a set of 4 vintage Blue Danube Blue Onion teacups, each measuring 3 inches tall. Made of China, these teacups feature a beautiful blue color and are adorned with a blue onion design. The Blue Danube brand is known for its quality craftsmanship and unique blue and white floral pattern, making these teacups a charming addition to any tea set collection. Perfect for serving tea or coffee, these teacups are both functional and decorative, adding a touch of vintage elegance to any table setting.