This is a set of four stonware nesting bowls made of porcelain by Waechtersbach, a German brand. The bowls are round-shaped and decorated with red and white hearts, making them suitable for Valentine's Day. They were produced in the 1980s using pottery techniques and are handmade. The set can be used as mixing bowls and as serving bowls . The product line is called Waechtersbach Nesting Bowls. Condition as on photos bowls have same wear inside last photos( as is ).