Why is there such resistance to list the synthetic Polypropylene
when the other materials are being listed?
Where's the synthetic Polypropylene on Berkeley Ergonomics web site? Click here to find out.
Below are some of the Berkeley Ergonomic dealers that do not list the synthetic Polypropylene in the mattress descriptions or when ever they are listing the other components on their web sites.
If there is any inaccuracies on this site, please advise for correction or removal.