Classic Essentials Bento Lunch Box is designed for easy locking & unlocking. UNBREAKABLE & DETACHABLE CLIPS: Clip joints are designed to function as a hinge. The amazing design helps the clip unbreakable and even you can detach it from the lid. FOOD GRADE & BPA FREE LID: The Lid, as well as the clips, are made of Food Grade and BPA free plastic material. AIRTIGHT & LEAK PROOF: The air-tight lid of the lunch box keeps food fresh for hours also making it Leak Proof. Now carry your lunch in this leak-proof tiffin box without any spillages. HIGH-QUALITY STAINLESS STEEL BODY: Lunch Box is made with Rust Free and Corrosion Resistant Stainless Steel.