80|250|400ml Heat Insulated Clear Double Wall Glass Tea Cup Coffee Beverage Mug
- Food grade high borosilicate glass with an expansion coefficient of 3.3 can withstand the instantaneous temperature difference of -30 ℃ ~ 150 ℃ without cracking.
- High transparency, abrasion resistance, smooth surface, easy cleaning, health, and hygiene.
- Double walled design, avoids any thermal hurt.
- Material: High Borosilicate Glass
- Volume: 250ml (8.4oz) / 350ml(11.8oz) / 450ml(15.1oz)
- Height: 85mm(2.17inch)/ 120mm(4.72inch) /150mm(5.91inch)
- Top Diameter: 85mm (2.17 inch)
- Dilatation Coefficient :3.3