Size:16-1/4-Ounce Bach barware is machine blown in Parma Italy and made in Luigi Bormioli's proprietary SON.hyx material. SON.hyx produced glassware is an exciting fusion of elegance and technology. In addition to having ideal shapes, fine rims, thick shams and heavy weight,glassware made in SON.hyx is extremely brilliant in color, has a beautiful sound, maintains its clarity after thousands of dishwashing cycles and possesses an extremely high level of durability