3 Layers Stainless Steel Sealing Rectangle Convenient Bento Lunch Box (Green) Food grade materials and high quality stainless steel, non-toxic,tasteless, health and safety Free combination: Remove a layer to become a two-layer box; 2 two-layer boxes can be combined to a three-layer box and a one-layer box, etc. Invisible handle, easy to storage and carry Dimension by manual measurement: 1 layer 8'' by 5'' by 3'', 2 layers 8'' by 5'' by 5'', 3 layers 8'' by 5'' by 8'' The top layer of the box is sealed well and soup can be hold here