This is a set of six dessert bowls from "Aderia Glass," a brand of Ishizuka Glass Co., Ltd. These are exquisite and beautiful Japanese-made glass dishes. The size is 13.5cm in diameter (including the protruding parts) x 4cm in height. They can be used individually, or stacked like lids and used as jewelry cases. I received these from my parents' home, where they had been stored for a long time. All six bowls still have the MADE IN JAPAN stickers on the bottom, so they are new and unused. The outer box is severely damaged, so I will discard it and carefully pack the items with cushioning materials for shipping. MADE IN JAPAN ADERIA Crystal Small Bowl