From the product page: Enjoy warm rice and soup together. This stainless steel lunch jar comes with a soup container, and is easy to carry with the dedicated bag. The bag is fully washable. Inner containers, chopsticks, and chopstick case are all dishwasher safe. The insulated container is washable (※Do not submerge in water). Inner containers (excluding lids) are also microwave safe. Keeps rice and soup warm, and keeps easily spoiled side dishes at room temperature.