・ Keeps warm rice in a thermos, and keeps easily spoiled side dishes at room temperature. ・ A lunch box set that can be carried together. ・ Achieves lunch box size with a compact insulated case design. ・ Each container, lid, and chopsticks are dishwasher safe. ・ Rice and side dish containers are microwave safe. *Do not put the insulated case or lids in the microwave.* ・ The case that keeps rice warm has a vacuum-insulated structure for high heat retention. ・ Keeps food warm for a long time. ・ Keeps food warmer compared to when not using the insulated case. Product Specifications and Description Manufacturer: Thermos Size: Approximately 20 x 11 x 12.5 cm (excluding the dedicated pouch), Chopsticks/approx. 19.5 cm Product Weight: 600g Product Materials: Insulated case/stainless steel (acrylic resin coating), Rice container/side dish container body/polypropylene, Rice container lid/polypropylene (foamed polypropylene built-in), Side dish container lid/silicone Used for one month. Please understand that this is a used item before purchasing. The included chopstick case is missing, so I will include a used one as a replacement, as shown in the photo.