This 1000ml Marvel Lunch Box has a clip lock lid and 304 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 Cartoon 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 Toddlers, Boys and Girls School and everyday use and holds just the right amount of food for 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.