I purchased this new and have kept it at home without using it. I'm selling it because I don't plan to use it. The following information is from the manufacturer's website: Zojirushi ZOJIRUSHI Insulated Lunch Jar (Rice Capacity: 1.8 cups) Stainless Steel O-be-n-to SZ-EC04-XA Overview Easy to clean and hygienic "Washable Pouch" The pouch can be washed in the washing machine (※1), so you can always use it comfortably. Hygienic "Ag+ Antibacterial Processed Containers" The rice container, rice container lid, and side dish container are treated with silver ions (Ag+). Boasting a 99.9% antibacterial effect, you can safely pack your rice and side dishes. Warm rice with thermos power The rice container is housed in an insulated case with a stainless steel thermos structure, which keeps the rice warm. Easy to clean "Fluorine coating on the inner surface" "Insulated case washable" The inside of the insulated case that holds the rice container is fluorine-coated, making it resistant to stains and easy to wash. The insulated case is also washable (※2) and always clean. "Side dish container" to prevent leaks The "side dish container" is a generous size, so you can pack it with a balanced diet in mind. Also, it has a highly sealed structure to prevent side dishes from leaking. ※1 When using a washing machine, select the hand wash course. ※2 Do not leave it submerged in water.