Durable stainless steel construction with excellent heat retention 3 microwaveable inner bowls Washable nonstick coated outer container Includes chopsticks, chopsticks holder Equipped with a bag BPA Free 3 inner container: rice, soup, and food Food grade quality, according to health standard in Japan Keep warm retention: more than 6 hours Capacity: -rice ctn: 310ml -soup ctn: 200ml -food ctn: 330ml Material : Stainless Body