Items from Double Wall glass are the perfect cups for hot and cold beverages. Its amazing functionality will allow you to freely hold extremely hot liquids, and also maintains the temperature of your beverage for a longer period. The same applies for gelid drinks, should you wish to enjoy an ice cream in a cup, no longer will your hand's temp melt it away. Additionally, the transparency of the glass will give your dessert or cocktail an exquisite look. Great ergonomic design, Can be used on an Electric or Gas stove (with flame separator and on low flame), Dishwasher and Microwave safe, Odorless, Environmentally friendly, and Chemically safe.