The large 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 12 cm, height 9 cm
Dimensions of saucer: diameter 13 cm, height 1,5 cm
Volume: 0,35 l
More photos of the porcelain here.