Postage-saving envelopes with windows hold extra documents and provide value based on shape-based postage costs. Booklet envelopes are specifically designed to perform while holding extra copies and weight. Envelopes feature heavyweight paper, security tint to keep contents private, and large flap with extra adhesive for secure mailing. Window is located in the bottom left corner to display addresses printed on the contents.
Postage Saving Window Envelopes
