Heat-resistant Thick Borosilicate GlassThe espresso cups are made of borosilicate glass, which has a stronger texture and more aesthetic appeal. It does not contain lead and chromium, and can be in direct contact with food. | Double V-Shaped SpoutThe two-way spout allows you to pour easily without turning. So the double spout glass measuring cup can pour smoothly without staining the tabletop and it is a good helper for your coffee. | Microwave & Dishwasher SafeBorosilicate glass allows the espresso shot glass to withstand a sudden temperature difference of 20°C-150°C. In addition, the espresso cup is very easy to clean, just a simple hand wash will keep it clean. So, the espresso shot glass is microwave & dishwasher safe. |