- Insulation and capacity: heatproof double-walled borosilicate glass keeps hot drinks hot and cold drinks cold longer. Each cup holds 8 oz (240 ml). Set of 2. - No burns or condensation: the two-layer design protects your hands and your furniture while creating a dramatic optical illusion. - Flavor delivery: flared lip enhances the delivery of beverages across the palate, helping you savor the full spectrum of taste in tea, coffee, lattes, juices, wine, beer, and more. - Durable and easy to care for: scratch-resistant borosilicate material is built to last; dishwasher- and microwave-safe. - Practical uses: enjoy morning coffee or tea without heat transfer to hands, serve iced beverages without condensation, or present wine or beer in an elegant, temperature-retaining cup.