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The Envelope

Anatomy of an Envelope

The typical envelope is a flat sheet of paper folded and glued to form a square or rectangular enclosure, leaving one edge open, with a flap that can be folded over and sealed after inserting the contents.

There are 9 key parts of an envelope, illustrated in the diagrams below. 

    parts of an envelope

    Key Parts of an Envelope

    The 9 key parts to an envelope are:
    • Seal flap
    • Seal
    • Throat
    • Shoulder
    • Side flap
    • Face
    • Bottom flap (back)
    • Side fold
    • Bottom fold


    Now you're familiar with the parts of an envelope why not extend your knowledge and learn about Envelope Openings or head back to the Envelope Education menu. If you're ready to choose your perfect envelopes then head to our homepage or use the top menu to browse.


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