Fabric at Discounted Prices

I am making my own pocketfold invitations and want to cover the outside of them with silk dupioni ( http://laineandpete.com/?attachment_id=388 ), but I don't want to spend a fortune on it. Does anyone know where I can find approx. 20-22 yards of this color
http://cgi.ebay.com/100-dupioni-SILK-FABRIC-glorious-TEAL-mix-o-green-blue_W0QQitemZ200362321856QQcmdZViewItemQQptZUS_Fabric?hash=item2ea68667c0&_trksid=p3286.c0.m14&_trkparms=65%3A12%7C66%3A2%7C39%3A1%7C72%3A1240%7C293%3A1%7C294%3A50 http://laineandpete.com/?attachment_id=388