Item Type: Coffee cup
Capacity: 80 ml / 2.71 oz, 250 ml / 8.45 oz, 350 ml / 11.83 oz, 450 ml / 15.22 oz
The double-walled eco espresso cups are made of borosilicate glass that is light and robust. Inside the glass is a hydrophobic silicone membrane, which serves to equalise the pressure between the glass walls. Amazingly no condensation forms on the glass surface.