- Riedel Drink Specific Sour Cocktail Glass - S/2 (7.3oz.)$49.99Available online Available in storesRiedel The O Stemless Riesling-Sauvignon - S/2 (12.7oz.)$38.99Available online Available in storesRiedel The O Stemless Cabernet-Merlot Glass - S/2 (21oz.)$38.99Available online Available in stores