Plastic Packaging Solution What Is A Safe Plastic Packaging Material With Vapor/Co2/o2 Barrier, Can Thermoform And FDA Approved For Food?

What is a safe plastic packaging material with vapor/Co2/o2 barrier, can thermoform and FDA approved for food? - plastic packaging solution

I am looking for a solution for a range of organic raw materials are not aware of any chemicals and steam and high barrier properties against oxygen liquor. There will also be frozen. I try, bottles and glasses may have. It is a product of the rain then the PLA is not, HDPE is not a good barrier against oxygen, becomes brittle when frozen PP. Perhaps one consisting of several layers, I need your help on this, thank you.