These colorful glass cups are made of borosilicate glass - it's a prime quality glass used in laboratories. This glassware is lighter and stronger than standard glass. It's food safe, BPA free, lead free and can withstand temperature changes from -20°C to +150°C. 
Dishwasher and microwave safe.
 
Details:
Volume 350ml
Height 9cm
Diameter 6cm (8cm with ear)