Come and see our amazing products. 12Oz /350ml Double walled mug, Borosilicate material, Insulated glasses can withstand temperatures ranging from -30C to 400C. you can enjoy your cup of coffee, espresso, cappuccino or tea warmer longer. When you have hot coffee, you won't feel hot from outside and when you have cold drink, there is no condensation on the glass and table. Keep your fingers safe and cool with heat resistant and double wall glassware,so beverages stay warm without you getting burnt. the outside surface always feels comfortable in hand. Perfect for coffee, milk, espresso, latte, hot and cold, or just about any drink you can want. Pls confirm further with us if any query about packing info, inventory status and time schedule.