http://www.articleheaven.net en-us editorial@articlealley.com Are you thinking about ordering envelopes for your business? Have you ever come across the term “Tyvek”. If not, you have reached the right place. Read on to know more…. Tyvek is patented material owned by DuPont. It is made from a flashspun of polyethyl... http://www.articleheaven.net/tyvek-envelopes--for-safe-and-better-mailing-solutions-2168269.html 06th April 2011