This set of 8 glasses by a renowned German glass make is sold at a special discounted price--8 for the price of 6. Machine-made of non-lead crystal glass, these stemless tumblers are dishwasher-safe. Includes four 21 1/8oz cabernet tumblers and four 11 1/8oz chardonnay tumblers. These 'O' tumblers are modeled after their popular Vinum bowls. Made by Riedel.