Blue Summit Supplies Envelopes, Conformer Envelopes, Rigid Expansion Mailers, 25 Pack BSS-92588-801 ensuring reliable closure and easy

ensuring reliable closure and easy access for repeated use

bubble wrap

A windowless envelope is the safest type of design

These 2 window envelopes prevent invoices from getting stuck during stuffing

while others will hide parts of the addresses

Blue Summit Supplies Envelopes, Conformer Envelopes, Rigid Expansion Mailers, 25 Pack BSS-92588-801 ensuring reliable closure and easyExpanding 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