http://www.scientificamerican.com/article/bpa-free-plastic-containers-may-be-just-as-hazardous/
I know that everything we right here should be about foam, but I would like to make an exception (well sort of) This article is a fairly good example of how little we know about the chemical make up of things we use on a daily basis. There are many chemicals that go into the making of plastic and those choices greatly effect the safety of the products we use. Foam is the same way. That's why all of our foam is made here in Canada, because we can ensure that only the safest materials surround us.