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Business envelopes, also known as commercial envelopes, are characte...

Business envelopes, also known as commercial envelopes, are characteristically open side style with diagonal seams. White #9 business envelopes measure 3-7/8" x 8-7/8" and are made from varying paper weights.

Business envelopes are used for standard mailing purposes such as:
  • Business
  • Direct Mail
  • Personal Correspondence
  • Billing
  • Check Mailings
  • While historically the smaller sized envelopes were known as commercials and sizes 7 through 14 were called officials, the Envelope Supplies Shop uses the term business envelopes for all sizes.