Riedel Performance Cabernet/Merlot, 4-pack consists of four wine glasses from Riedel, known for their expertise in glassmaking. The Performance series is designed to highlight the best characteristics of different grape varieties. These glasses are created from the highest quality crystal glass and have a spacious and tall cup that reduces the acid levels in the wine. This gives a rounder and more pleasant taste experience. With their sophisticated design, these glasses are perfect for both wine tasting and dining, where they enhance the enjoyment of your favorite wine.