High Quality Stainless Steel - Our metal bento box is made of is made of premium 304 stainless steel, which is very sturdy, rust proof, and stain . Keeping shinning after a long use. Most important,this is food-grade stainless steel,phthalates-free, PVC-free, vinyl-free and lead-free and provides a reliable and safe storage container for your food. 100% Leak Proof & Smell Proof Design - Each stainless steel container is equipped with a double-sealing mechanism, ensures that these stainless steel food containers with lids are 100% leak-proof with liquids and airtight. The sturdy lock clips ensures that the lid is securely locked to the container. The thickened silicone seal ring inside the lid completely isolates the air from the container, and our stainless steel lunch box itself has good air permeability, which can better keep food fresh and prevent food leaks and spills. Removable Divider for More Flexible Use - The stainless steel food storage containers comes with a removable, adjustable stainless steel divider, which giving you the freedom to customize food types and storage space, keep our foods organized. Food proportions as you wish! Flexible to meet your your individual needs and preferences. for & Multi Purpose - This metal food container be an essential 3-piece set of stainless steel food containers for , perfect for housewarming parties,Mother's Day,Christmas,birthdays,and more!Also lunch box metal is great for leftovers, snacks, soups, , sandwiches,sauces, and anything you want to store! With it, it's easy to share your delicious creations with family, friends,or coworkers.