Classical 3-in-1 Compartment: 2-layer stackable bento boxes with 3 removable compartments, including 1 large container and 2 smaller containers in the same ratio, so you can store any food you like according to different dietary needs, compact Snack Box for traveling & outdoor. New Bento Box: The snack portion control bento box lunch box features 2 separate bento box containers on top instead of removable dividers to prevent food from mixing while moving, and separating different foods with compartments to better preserve the original taste of food. About Leak-proof: Each container of this heavy duty bento lunch box has a divider, which has a good seal. It is recommended to open the ventilation valve before removing the divider to reduce the air pressure difference between the inside and outside of the container, making it easier to open! (Tip: bento boxes are better for storing dry and slightly soupy foods). Microwave and Dishwasher Safe: The bento box meal prep containers is dishwasher and microwave safe. Microwave safe range (248F for 3 minutes or less); Dishwasher safe: Dishwasher top rack only, hand wash lid recommended.