1. The surface of the aluminum foil is extremely clean and hygienic, and no bacteria or microorganisms can grow on its surface.
2. Aluminum foil is a non-toxic packaging material, it can be in direct contact with food without any hazard to human health.
3. Aluminum foil is a kind of odorless and odorless packaging material, and the packaged food will not have any peculiar smell.
4. If the aluminum foil itself is not volatile, it and the packaged food will never dry or shrink.