The ideal bag for keeping fresh of your products. Light-proof and airtight. Ironing bags are used, for example the verse like chips, cookies, dried fruit, etc. You can see why she frequently used in the food industry.
Iron-on bags, by heating with an iron can lower it srtijk (if properly ironed) can be made airtight.
The ironing pocket can be used multiple times and can be cut into smaller bags.
If you open the bag you can then just close iron it again .