I just read an article on WalletPop in which the FTC stated companies are selling Bamboo clothing and textiles that are misleading and are actually Rayon. I checked their website and as of now PC is not on that list of evil doers. Just thought I would share in case someone has a customer inquire about it. This is the link to the FTC website listing the companies.
http://www.ftc.gov/os/2010/02/100203company-letter-recipients.pdf
http://www.ftc.gov/os/2010/02/100203company-letter-recipients.pdf