Riedel Vinum Port Wine Glasses, Set of 2Machine made lead crystal glasses 24% lead crystal adds clarity and brilliance Hand washing recommended Each glass stands 6 1 2 inches tall and holds 8 1 2 ounces at full capacity Capacity: 8. 5 Fluid Ounces Item Number: 6416 60 Dimensions: 10. 71 x 7. 95 x 5. 51 inches Weight: 1. 26 lb The RIEDEL TRADEMARK dates from the Art Nouveau period at the end of the nineteenth century, and was used for RIEDEL glassware made in Bohemia from 1890 to 1925. In