These are the "iwaki" heat-resistant glass custard cups, 180ml, set of 4, with a scalloped edge. ◎ Oven and microwave safe, and dishwasher safe, making them very convenient! ■ Size: Diameter 10cm x H4.8cm, Weight per cup: 120g, Capacity: 180ml ■ Material: Heat-resistant glass ◎ Although unused, please refrain from purchasing if you are looking for a perfect item. The original box is not available, so they will be packed with cushioning material for shipping.