HARIO Stackable Heat-Resistant Glass Containers M Set of 3 Cook and serve directly to the table. The rectangular containers save space by utilizing the depth of your refrigerator. Microwave safe with the lid on, oven safe with the lid off. Made in Japan Materials: Heat-resistant glass Other specifications: Remarks Usable capacity (L): Full capacity: 600ml x 2, 1400ml x 1 Brand new, unused.