The diamond-shaped machine-made Cabernet and Merlot glass of the eye-catching glass collection Extreme is offered as an attractive value gift pack - Pay 3 Get 4 | Ideal to give as gift or to enjoy yourself | This glass showcases the majestically structured red wines in all their complexity and finesse | Extreme glasses derive their name from their extreme contours | All RIEDEL glasses are dishwasher safe.Refined, angular bowl has large surface area that helps full-bodied red wine like Cabernet Sauvignon, red Bordeaux and Malbec breathe and develop its full complexity.