Features: 1. Safe And Quality Material: This creative drinking glass cup is made of borosilicate glass. High Borosilicate glass is cold and heat resistant, and can be put into the microwave oven, oven. They are also lead-free, safe, and healthy for daily use. 2. Design And Craftsmanship: These glass cups are elegant to look and comfortable to hold, with a weight in hand but not too heavy. Each glass is mouth blown and hand made. 3. Capacity And Size: 280ml: 5 x 9.5cm, 530ml: 5.5 x 13.4cm optional. Moreover, they are dishwasher safe. 4. Wide Applications: This drinking glass cup is good for various kinds of drinks like water, soda, milk, iced coffee, juice, cocktail, smoothie, beverages, and even beer. 5. Creative Gift: This decorative glassware is perfect for dinner, kitchen, home, bar, parties, birthdays, housewarming, weddings, and Christmas. Specification: Material: Borosilicate Glass Product Color: Transparent Product Size: 280ml: 5 x 9.5cm, 530ml: 5.5 x 13.4cm Product Weight: 110g, 135g Package Included: 1 x Glass Cup