1. Shell maintenance: The outer casing can separate food from oxygen, water vapor, stains, etc. Anti-leakage is also a demand element of packaging design. Some packages include a desiccant or a deoxidizer to extend the shelf life.
2, Physical maintenance: food stored in a vacuum aluminum foil bag can prevent extrusion, collision, vibration, temperature difference and other sights.
3, Package or load the same package: small items of the same variety into a package is a good way to reduce the volume. Powders and granular objects are required to be packaged.
4, To convey information: packaging and label to inform people how to use packaging, food, transport, accept or take over.
5. Safety: The use of vacuum aluminum foil bags can reduce the transportation risk, and it is very solid and has anti-counterfeiting labels to protect the interests of the merchants.
6. Bento: Vacuum aluminum foil bags can be easily added, loaded, unloaded, stacked, displayed, sold, opened, reloaded, used and reapplied.