Envelope Sizes - FAQ's
Standard Window Envelope Sizes


What is a standard window envelope?
Is it the same as a commercial window envelope?

  • Yes, a standard and commercial window envelope are one of the same. Sizes range from a #6-1/4 to #14 size (which is industry lingo) and not necessarily the true size (see below for exact envelope sizes).
  • The paper used is typically a 24 # (pound) white wove stock which is equivalent to a 60 # (pound) offset stock, or also sometimes referred to as a 20# (pound) bond, depending on the style selected.
  • Their applications are used mostly for business correspondence such as mailing invoices, statements, business letters, personal letters, checks and marketing applications.
  • Also known as, open side diagonal seam type envelope.

What size is a standard size window envelope? Where is the window located?



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