6 x 11 3/8 Envelopes

Business mailings are easier to prepare with JAM Paper booklet envelopes sized for documents, brochures, inserts, catalogs, and printed materials. Current options include machine-insertable and peel & seal styles for production workflows and manual packing. White construction keeps correspondence professional for offices, mail centers, institutions, and recurring customer communications.

High-volume correspondence benefits from these booklet envelopes that support efficient document insertion and dependable mailing. Machine-insertable styles fit automated workflows, while an adhesive option supports convenient manual closure. This versatile size accommodates brochures, statements, forms, informational pieces, and business documents for offices and mailing operations.

Printed materials stay neatly enclosed in these booklet envelopes designed for professional distribution and everyday business mail. The wide-side opening makes it easier to insert brochures, forms, statements, catalogs, and other paper contents. Multiple preparation options help businesses manage larger mailing runs, office correspondence, and customer communications.