The 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 9 cm, height 7 cm
Dimensions of saucer: diameter 13 cm, height 1,5 cm
Volume: 0,15 l
More photos of the porcelain here.