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#5 Envelope

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

Business envelopes, also known as commercial envelopes, are characteristically open side style with diagonal seams. #5 Business envelopes measure 3-1/8" x 5-1/2" and are made with 20# white sulphite stock.

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.