The espresso cup with saucer is made of glazed porcelain and the shape is inspired by Czech Cubism in ceramics.
Microwave-safe & dishwasher-safe.
Dimensions of fcup: diameter 6 cm, height 6,5 cm
Dimensions of saucer: diameter 10 cm, height 2,5 cm
Volume: 0,06 l
More photos of the porcelain here.