Stainless Steel Material The lunch box is made of food grade 304 stainless steel, which is formed in one piece and is not easy to rust. Compared to plastic lunch boxes, it does not contain plastic, BPA, chemicals and toxins and is more durable. You don't have to worry about product quality and food safety. AIRTIGHT & WATERPROOF The stainless steel lunch box has a built-in silicone sealing ring to prevent water or oil leakage inside, and the buckle design prevents it from swinging and slipping. Whether at school, office or outdoors, you don't have to worry about food spills. Divider Design The stainless steel lunch box has built-in 2 removable dividers that use 2 dividers to create 3 compartments, distribute different types of food into separate compartments and safely store snacks without special smell. The lunch box with compartments is perfect for any adult, nursery or school child, making it the ideal lunch box for all ages. QUICK CLEANING The stainless steel lunch box has an