The Bento Box takes meal prep to the next level, complete with a removable tray divider for organizing your meals. Leakproof, see-through lid. Removable internal tray divider for organizing meals. Tray divider can be removed to fit one large entree or one smaller entree and a side or snacks. Single-walled, durable construction. 18/8, food-grade stainless steel. BPA/BPS-free and reusable. Suitable for short-term refrigerator and freezer storage. Dishwasher safe or hand wash with warm soapy water.