This is the Richell "Tsukurioki Wake Wake Okazu Cup Tray" for extra-large square containers. Easy and time-saving cooking with Tsukurioki (make-ahead meals) ● This container allows you to portion food into individual cups and store them directly in the freezer or refrigerator. ● Convenient for make-ahead meals as you can take out one cup at a time. ● The block size is suitable for the okazu cups, allowing for easy portioning and storage. ● Keeps your freezer organized. ● Features a line for attaching masking tape for labeling. ● Microwave-safe! ● Dishwasher-safe! ● Stackable with other sizes! (The extra-large square type can be stacked with sizes 5 and 6, and oval types) ● Great for use with other sizes for different purposes! ・Size: (approx.) 13.6 x 21.4 x 4.1 cm ・Capacity: 260mL x 2 blocks ・Material: Polypropylene ・Heat resistance: 120°C ・Cold resistance: -20°C ・Microwave-safe ・Dishwasher-safe ※ Please understand that this is a personal item, and only purchase if you are comfortable with this. ※ This item is also listed on other sites, and may be removed from sale at any time.