Booklet envelopes, also called open side envelopes, have the flap on the longest side. These envelopes come in a large variety of colors and sizes. Due to the side seam construction these envelopes can be used for machine inserting. Booklet envelopes are excellent for brochures, annual reports, sales literature, and direct mail. The majority of these envelopes have the option of being ordered Plain or with Printing.
Browse Booklet Envelopes Below.