The Arthur Krupp 3 1/2 ounce espresso cup is part of the "Omnia" collection. It is porcelain and does not include the plate shown. It can be stacked with others. It is some of the finest porcelain in the world and has a color that is a pure, crisp white. It is some of the finest porcelain in the world and has a color that is a pure, crisp white. The manufacturing quality of this range emerges from a long history of porcelain production. The result is timeless appeal, elegance and value. It has a diameter of 2 3/8" and a height of 2 3/8".Set of 6. Made in Germany.