Blue Summit Supplies 100 9" x 12" First Class Envelopes, Self Seal, White — Open-Box, 6% Off

Designed to meet first class mailing standards, our first class mail envelopes ensure solutions for mailing catalogs, magazines, projects, or multiple documents at once.

Crafted from durable 28lb. white wove paper, these first class mail envelopes deliver protection for professional and secure mailing

With a reliable, easy-to-use seal, you can trust that your contents remain secure throughout the mailing process without having to use glue

Our 9x12 first class mailing envelopes featuring a wide opening and a center seam design. This smart construction allows you to quickly stuff multiple pieces of business mail in our envelopes

Distinctive green first class markings ensure your envelopes are instantly recognized by mail carriers, guaranteeing prompt handling of your important mail.

Save Time and money with 9 x 12 1st Class Envelopes in a bulk 100 pack. Quickly and easily send large documents, magazines, or other catalogs with our large catalog envelope design and our easy-to-use peel and seal flap. Center seam design means these envelopes can be stuffed with smaller envelopes, multiple magazines, catalogs, or large paper projects. Business mail will be completely secure during transit with strong adhesive that will prevent your contents from being exposed to others. 28lb. white wove paper with green 1st class markings create a professional look and show the importance of your mail to your mail providers.