Material: It features a durable construction, typically made of PP plastic on the exterior and 304 stainless steel interior compartments.
Design: The bento box has three compartments for meal separation and portion control, and often includes a separate leak-proof bowl and cutlery (spoon and chopsticks).
Features: It is designed to be leak-resistant with a snap-lock lid and silicone seal to keep food fresh and secure during transport.
Insulation: Many variations of this product are advertised as having thermal insulation properties to keep food warm or cold for hours.