This 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. The Lunch Boxes Come with A 6 Months Warranty As Well. Magnus Easy Lock Stainless Steel Lunch Boxes - Set of 12 ( 6 X 420 Ml, 6 X 520 Ml)