The FDA definition of devices encompasses software intended by the manufacturer to be used, alone or in combination for the specific medical purpose of diagnosis, prevention monitoring treatment or alleviation of disease and does not achieve its primary intended action by pharmacological, immunological or metabolic means
I have heard of the seals failing but have only experienced this one, maybe two times over the years (and being a flake smoker, much of my cellar is comprised of square tins)
The biggest drawback for me was the poor burning qualities
If you like something a little easier, or a little cooler, there are several tobacco jars and Cvaults on our site to peruse, all admirably designed for pipe tobacco storage
Environmental cleanup efforts are a valuable and helpful endeavor, but they are not enough to combat the effect of littered tobacco