The world's most break-resistant wine glasses. Super-strong, lightweight magnesium is fused with European crystal to form the most durable Port glasses in the world. Fusion Port Glasses are also scientifically shaped to enhance the taste and bouquet of your favorite libation. Lead-free and dishwasher-safe. Machine-made in Europe. Size: 6-1/4"H, 7 oz. Fusion 10-Year Limited Warranty In the unlikely event your Wine Enthusiast Fusion Glass breaks, we'll replace it FREE, even up to 10 years after purchase.