They are not vacuum sealed. There is plenty of air inside the bag. I can only speak to my 17 years of experience, and my lack of an analytical laboratory to adequately quantify any of this. My qualitative assessment has been that this method works well for me. Prior to the HTGT forum and subsequently the FTT forum, just about the only information available to home tobacco growers related to commercial-scale handling of tobacco in a highly segmented chain between grower and a final product.I assume that vapour proof bags inhibit natural aging
Often, I find that clearly describing failed methods can be more valuable than descriptions of happy success.shouldn't be embarrassed to admit to something not working
Bob