lunch box square 900ML

They are made of SS 304, Polypropylene and food grade silicone.

Once it is fill with hot food and close the small flap need to open for some time for the air to escape.

After closing the flap, vacuum will be created inside due to the condensation of steam.

The food can be kept long time than other food boxes as it is under vacuum.

Before the opening of the box, it is necessary to break the vacuum by lifting the small flap.

After using, it is necessary to clean the silicone gasket well to avoid the microbial growth.