Blue Summit Supplies Envelopes, Conformer Envelopes, Rigid Expansion Mailers, 25 Pack BSS-92588-801 each measuring 10" x 12"

each measuring 10" x 12"

A windowless envelope is the safest type of design

This folder also offers expandable storage with a generous 2" capacity

ensuring reliable closure and easy access for repeated use

Blue Summit Supplies Envelopes, Conformer Envelopes, Rigid Expansion Mailers, 25 Pack BSS-92588-801 each measuring 10" x 12"Expanding Conformer Envelopes are Perfect for Shipping Thick Documents, Booklets, or Books with Variable Thicknesses Conformer envelopes expand uniformly to fit the contents inside to make shipping a thick stack of documents, a thin booklet, or even a book easier than ever before. Measuring in at 9. 75 x 12. 25 and designed to offer flexibility and versatility for your mailing, Conformer envelopes store perfectly flat for easy and space saving