... double wall glass beer cup ,370ml and so on. borosilicate glass,Eco-friendly,good for health. Dishwasher and ... This double wall double wall glass beer cup is great for latte, tea,juice,water,beverages, ... by client's requiremens.The double wall glass beer mug material is heat-resistant borascilicate glass, ... cookware.It is medical grade glass,good for health,Eco-friendly,more resistant to temperature ...