These cups are  Modern Classic Collection of Heat Resistant Coffee and Tea Cups that are Made From High Quality Tempered Glass, for a Sophisticated yet Unpretentious Look.
The Toughened Glass Construction Offers a Superb Combination of Weight Balance and Long Lasting Durability.
Toughened Glass Will Not Shatter When Heated, it Resists Chipping and Cracking When Dropped, and Can Last as Much as 10x Longer In High-Usage Situations. 
All Articles are Restaurant Quality and 100% Dishwasher and Microwave Safe. These Glass Mugs are also Fantastic for Showing off the Radiant Colours of Fruit and Herbal Teas. 

• Product Line: Cups and Saucers
• Model: Latest
• Weight (kg): 2kg
• Certifications: Fair Trade
• Color: White
• Main Material: ceramic