<B>Quality Park Tyvek Open End First-Class 10 x 13 Inch White Envelopes 100 Count (R1590) Review</b><P>http://tinyurl.com/kyspcma <P><P> Quality Park Tyvek Open End First-Class 10 x 13 Inch White Envelopes 100 Count (R1590) <P>Tyvek� white envelope with a 14-lb. paper stock.<P>Tyvek� exterior.<P>Lightweight.<P>Durable and reliable.<P>
