Postmaster Env PEFC 114x235 Wd Wht Pk500

The Postmaster Mailing machine envelope are Special flap profile envelopes designed to run on all known mailing machines. There are Board inserts in the box ensure product remains flat for optimum runability. They are Gummed sealing and have 'side seams inside' style of manufacture. They are wallet opening - meaning that they seal on their longer side.