This 600ml MARVEL Lunch Box has a clip lock lid and Food Grade 18/8 stainless steel bottom part to keep food fresh and safe. The lunch box is easy to wash and clean and features some of the best Characters on the Lid. The Lid of the Lunch Box has a strong vacuum seal to keep the lunch box Airtight and the food fresh for a longer duration. The Lunch Box comes with a small 304 Stainless Steel made Subzi / Chutney container. This lunch box is ideal for Kids, School and everyday use and holds just the right amount of food for their Breakfast / lunch. Fits easily into a backpack or lunch bag. The top lid is made of PP plastic (Non-toxic and BPA free) and the bottom is made of 304 Stainless Steel, making it Food Grade, Rust-free, BPA Free, Non-Toxic and Safe. This Bento is Microwave and Dishwasher Safe and is easy to clean. The 4 side Clip Locking system adds to the beauty of the lunch box and makes it Airtight and leak proof as well.