Steam Lock Stainless Steel Lunch Boxes Which Is Made From High Quality Stainless Steel Food Grade Material. It Comes with 2 Clip Lock for Easy Opening of The Lunch Boxes. A Great Alternative To Plastic and Melamine Lunch Boxes. The Lunch Boxes Is Bpa Free, and Made From Non-Toxic and Chemical Free Materials. The Lunch Boxes Comes with A Leak-Proof Design and Provides You with Non-Messy Carrying Experience. The Inner & Outer Surface of The Lunch Boxes Come with Glossy Finish Which Makes The Cleaning Very Easy and Less Time Consuming. with Its Stackable Design and Top Rack Dishwasher Safe, These Lunch Boxes Are Value for Money.