These timeless Duralex Picardie tumblers encapsulate French style and are perfect for family life. Ideal for kids and adults alike. The perfect gift for a wedding, a new home or a student. Set includes: 6 x 8 3/8 Tumblers6 x 10 3/8 Tumblers6 x 12 1/8 Tumblers Made from tempered glass which is 2.5 times stronger than regular glass, these high quality durable drinking tumblers are strong, stackable and are designed to withstand both hot and cold liquids. They are also microwave, oven, dishwasher and freezer and safe. We've had ours at home for over 30 years and they're still going strong! Shock resistant tempered glass. Suitable for hot and cold liquids. Dishwasher / microwave / freezer safe. Pack of 18 glasses in 3 sizes