Envelope Front of an envelope mailed in the U.S. in 1906, with a postage stamp and address Back of the above envelope, showing an additional receiving post office postmark An envelope …

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The meaning of ENVELOPE is a flat usually paper container (as for a letter). How to use envelope in a sentence. How do you pronounce envelope?: Usage Guide.

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ENVELOPE definition: 1. a flat, usually square or rectangular, paper container for a letter 2. a flat, usually square or…. Learn more.

Custom envelope sizes can be tailored to fit specific contents or branding requirements. While standard sizes are versatile, custom sizes offer a unique and personalized touch to your mail.

For sending out invitations or mailing confidential documents that require an envelope of a specific size, choose from our collection of printable envelopes — with just the right options. Clasp …