- When used in a microwave oven, the lock covers food and the air on the lid serves as a vent
- High temperature resisting, can be used in refrigerators, microwave ovens,
- Easy to , lightweight and portable. for ideal for food storage, easy to carry to the office, camping, hiking, picnics, etc
- Made Of Food Grade Silicone, Non: and odorless, to use
- It can be folded completely to 1/3 of the original size when not in use, and different sizes of lunch boxes can be together